/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:42:54,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:42:54,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 05:42:54,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:42:54,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:42:54,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:42:54,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:42:54,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:42:54,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:42:54,949 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:42:54,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:42:54,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:42:54,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:42:54,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:42:54,950 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:42:54,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:42:54,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:42:54,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:42:54,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:42:54,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:42:54,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:42:54,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:42:54,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:42:54,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:42:54,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:42:54,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:42:54,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:42:54,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:42:54,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:42:54,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:42:54,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:42:54,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:42:54,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:42:54,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:42:54,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:42:54,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:42:54,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:42:54,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:42:54,957 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:42:54,958 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:42:54,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:42:54,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:42:54,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:42:54,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:42:54,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:55,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:42:55,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:42:55,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:42:55,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:42:55,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:42:55,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2024-11-03 05:42:56,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:42:56,951 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:42:56,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2024-11-03 05:42:56,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e7d722/32b1334858914200a3a3408494663b8d/FLAG28507596c [2024-11-03 05:42:56,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e7d722/32b1334858914200a3a3408494663b8d [2024-11-03 05:42:56,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:42:56,997 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:42:57,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:42:57,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:42:57,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:42:57,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:42:56" (1/1) ... [2024-11-03 05:42:57,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a10f950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57, skipping insertion in model container [2024-11-03 05:42:57,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:42:56" (1/1) ... [2024-11-03 05:42:57,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:42:57,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2024-11-03 05:42:57,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:42:57,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:42:57,388 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2024-11-03 05:42:57,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:42:57,408 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:42:57,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57 WrapperNode [2024-11-03 05:42:57,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:42:57,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:42:57,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:42:57,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:42:57,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,461 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 514 [2024-11-03 05:42:57,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:42:57,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:42:57,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:42:57,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:42:57,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,489 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 05:42:57,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:42:57,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:42:57,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:42:57,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:42:57,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (1/1) ... [2024-11-03 05:42:57,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:42:57,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:42:57,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 05:42:57,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 05:42:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:42:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:42:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:42:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:42:57,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:42:57,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:42:57,690 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-03 05:42:58,215 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2024-11-03 05:42:58,215 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2024-11-03 05:42:58,267 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-03 05:42:58,267 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:42:58,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:42:58,286 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:42:58,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:42:58 BoogieIcfgContainer [2024-11-03 05:42:58,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:42:58,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:42:58,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:42:58,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:42:58,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:42:56" (1/3) ... [2024-11-03 05:42:58,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94e1bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:42:58, skipping insertion in model container [2024-11-03 05:42:58,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:57" (2/3) ... [2024-11-03 05:42:58,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94e1bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:42:58, skipping insertion in model container [2024-11-03 05:42:58,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:42:58" (3/3) ... [2024-11-03 05:42:58,294 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2024-11-03 05:42:58,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:42:58,307 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:42:58,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:42:58,362 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=PETRI_NET, 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;@5e847c93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:42:58,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:42:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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) [2024-11-03 05:42:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-03 05:42:58,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:58,377 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:58,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:58,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:58,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2024-11-03 05:42:58,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:58,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799132460] [2024-11-03 05:42:58,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:58,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:58,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:58,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:58,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:42:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:58,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 05:42:58,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:58,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:58,815 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:58,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799132460] [2024-11-03 05:42:58,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1799132460] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:58,816 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:58,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-03 05:42:58,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794049118] [2024-11-03 05:42:58,818 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:58,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 05:42:58,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 05:42:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 05:42:58,849 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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) Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-11-03 05:42:59,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:59,243 INFO L93 Difference]: Finished difference Result 324 states and 566 transitions. [2024-11-03 05:42:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 05:42:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) Word has length 44 [2024-11-03 05:42:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:59,255 INFO L225 Difference]: With dead ends: 324 [2024-11-03 05:42:59,255 INFO L226 Difference]: Without dead ends: 169 [2024-11-03 05:42:59,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 05:42:59,261 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 48 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:59,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 377 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 05:42:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-03 05:42:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2024-11-03 05:42:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 166 states have internal predecessors, (259), 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) [2024-11-03 05:42:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 259 transitions. [2024-11-03 05:42:59,307 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 259 transitions. Word has length 44 [2024-11-03 05:42:59,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:59,308 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 259 transitions. [2024-11-03 05:42:59,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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) [2024-11-03 05:42:59,308 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 259 transitions. [2024-11-03 05:42:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-03 05:42:59,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:59,312 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:59,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:42:59,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:59,513 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:59,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:59,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1877754390, now seen corresponding path program 1 times [2024-11-03 05:42:59,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:59,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61324498] [2024-11-03 05:42:59,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:59,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:59,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:59,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:59,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:42:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:59,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:59,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:59,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:59,672 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:59,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61324498] [2024-11-03 05:42:59,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [61324498] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:59,672 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:59,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:59,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979913821] [2024-11-03 05:42:59,673 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:59,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:59,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:59,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:59,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:59,676 INFO L87 Difference]: Start difference. First operand 167 states and 259 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-03 05:42:59,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:59,863 INFO L93 Difference]: Finished difference Result 336 states and 528 transitions. [2024-11-03 05:42:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:59,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) Word has length 61 [2024-11-03 05:42:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:59,865 INFO L225 Difference]: With dead ends: 336 [2024-11-03 05:42:59,866 INFO L226 Difference]: Without dead ends: 188 [2024-11-03 05:42:59,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:59,869 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:59,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 255 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:42:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-03 05:42:59,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-03 05:42:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.5240641711229947) internal successors, (285), 187 states have internal predecessors, (285), 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) [2024-11-03 05:42:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 285 transitions. [2024-11-03 05:42:59,893 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 285 transitions. Word has length 61 [2024-11-03 05:42:59,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:59,896 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 285 transitions. [2024-11-03 05:42:59,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-03 05:42:59,896 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 285 transitions. [2024-11-03 05:42:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-03 05:42:59,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:59,899 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:59,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:00,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:00,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:00,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:00,103 INFO L85 PathProgramCache]: Analyzing trace with hash 108506909, now seen corresponding path program 1 times [2024-11-03 05:43:00,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:00,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89896694] [2024-11-03 05:43:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:00,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:00,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:00,107 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:00,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 05:43:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:00,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:00,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:43:00,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:43:00,272 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:00,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89896694] [2024-11-03 05:43:00,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [89896694] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:00,272 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:00,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:00,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923598978] [2024-11-03 05:43:00,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:00,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:00,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:00,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:00,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:00,275 INFO L87 Difference]: Start difference. First operand 188 states and 285 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-03 05:43:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:00,433 INFO L93 Difference]: Finished difference Result 381 states and 585 transitions. [2024-11-03 05:43:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:00,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) Word has length 82 [2024-11-03 05:43:00,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:00,435 INFO L225 Difference]: With dead ends: 381 [2024-11-03 05:43:00,435 INFO L226 Difference]: Without dead ends: 212 [2024-11-03 05:43:00,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:00,437 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:00,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 268 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-03 05:43:00,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-03 05:43:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.4881516587677726) internal successors, (314), 211 states have internal predecessors, (314), 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) [2024-11-03 05:43:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 314 transitions. [2024-11-03 05:43:00,452 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 314 transitions. Word has length 82 [2024-11-03 05:43:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:00,453 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 314 transitions. [2024-11-03 05:43:00,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-03 05:43:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 314 transitions. [2024-11-03 05:43:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-03 05:43:00,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:00,455 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:00,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 05:43:00,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:00,661 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:00,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:00,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1005900187, now seen corresponding path program 1 times [2024-11-03 05:43:00,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:00,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48041502] [2024-11-03 05:43:00,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:00,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:00,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:00,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:00,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 05:43:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:00,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:00,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:43:00,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:43:00,889 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:00,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48041502] [2024-11-03 05:43:00,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [48041502] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:00,889 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:00,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:00,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870468549] [2024-11-03 05:43:00,890 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:00,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:00,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:00,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:00,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:00,891 INFO L87 Difference]: Start difference. First operand 212 states and 314 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-03 05:43:01,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:01,066 INFO L93 Difference]: Finished difference Result 446 states and 677 transitions. [2024-11-03 05:43:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:01,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) Word has length 82 [2024-11-03 05:43:01,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:01,068 INFO L225 Difference]: With dead ends: 446 [2024-11-03 05:43:01,068 INFO L226 Difference]: Without dead ends: 253 [2024-11-03 05:43:01,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:01,070 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:01,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 255 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-03 05:43:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-11-03 05:43:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.4285714285714286) internal successors, (360), 252 states have internal predecessors, (360), 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) [2024-11-03 05:43:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 360 transitions. [2024-11-03 05:43:01,087 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 360 transitions. Word has length 82 [2024-11-03 05:43:01,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:01,088 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 360 transitions. [2024-11-03 05:43:01,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-03 05:43:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 360 transitions. [2024-11-03 05:43:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-03 05:43:01,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:01,090 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:01,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 05:43:01,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:01,291 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:01,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:01,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1943624687, now seen corresponding path program 1 times [2024-11-03 05:43:01,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:01,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997556263] [2024-11-03 05:43:01,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:01,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:01,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:01,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:01,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 05:43:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:01,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:01,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:43:01,440 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:43:01,485 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997556263] [2024-11-03 05:43:01,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1997556263] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:01,485 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:01,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:01,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291888845] [2024-11-03 05:43:01,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:01,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:01,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:01,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:01,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:01,489 INFO L87 Difference]: Start difference. First operand 253 states and 360 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-11-03 05:43:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:01,626 INFO L93 Difference]: Finished difference Result 512 states and 738 transitions. [2024-11-03 05:43:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:01,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) Word has length 102 [2024-11-03 05:43:01,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:01,628 INFO L225 Difference]: With dead ends: 512 [2024-11-03 05:43:01,628 INFO L226 Difference]: Without dead ends: 278 [2024-11-03 05:43:01,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:01,630 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:01,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 270 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-03 05:43:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-11-03 05:43:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 277 states have (on average 1.407942238267148) internal successors, (390), 277 states have internal predecessors, (390), 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) [2024-11-03 05:43:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 390 transitions. [2024-11-03 05:43:01,639 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 390 transitions. Word has length 102 [2024-11-03 05:43:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:01,640 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 390 transitions. [2024-11-03 05:43:01,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-11-03 05:43:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 390 transitions. [2024-11-03 05:43:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-03 05:43:01,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:01,641 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:01,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-03 05:43:01,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:01,842 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:01,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:01,843 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2024-11-03 05:43:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:01,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412540598] [2024-11-03 05:43:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:01,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:01,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:01,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:01,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-03 05:43:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:01,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:01,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:43:02,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:43:02,073 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:02,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412540598] [2024-11-03 05:43:02,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1412540598] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:02,073 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:02,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:02,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228759175] [2024-11-03 05:43:02,073 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:02,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:02,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:02,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:02,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:02,075 INFO L87 Difference]: Start difference. First operand 278 states and 390 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-11-03 05:43:02,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:02,150 INFO L93 Difference]: Finished difference Result 792 states and 1121 transitions. [2024-11-03 05:43:02,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:02,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) Word has length 121 [2024-11-03 05:43:02,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:02,153 INFO L225 Difference]: With dead ends: 792 [2024-11-03 05:43:02,153 INFO L226 Difference]: Without dead ends: 533 [2024-11-03 05:43:02,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:02,155 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 113 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:02,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:02,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-03 05:43:02,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2024-11-03 05:43:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 1.4078947368421053) internal successors, (749), 532 states have internal predecessors, (749), 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) [2024-11-03 05:43:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 749 transitions. [2024-11-03 05:43:02,180 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 749 transitions. Word has length 121 [2024-11-03 05:43:02,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:02,181 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 749 transitions. [2024-11-03 05:43:02,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-11-03 05:43:02,181 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 749 transitions. [2024-11-03 05:43:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-03 05:43:02,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:02,183 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:02,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:02,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:02,384 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:02,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:02,384 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2024-11-03 05:43:02,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:02,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117914738] [2024-11-03 05:43:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:02,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:02,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:02,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:02,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-03 05:43:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:02,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:43:02,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 58 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:43:02,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:43:02,694 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:02,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117914738] [2024-11-03 05:43:02,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1117914738] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:02,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:02,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:02,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913103658] [2024-11-03 05:43:02,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:02,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:02,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:02,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:02,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:02,696 INFO L87 Difference]: Start difference. First operand 533 states and 749 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2024-11-03 05:43:02,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:02,752 INFO L93 Difference]: Finished difference Result 789 states and 1112 transitions. [2024-11-03 05:43:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:02,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) Word has length 121 [2024-11-03 05:43:02,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:02,757 INFO L225 Difference]: With dead ends: 789 [2024-11-03 05:43:02,757 INFO L226 Difference]: Without dead ends: 787 [2024-11-03 05:43:02,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:02,758 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 126 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:02,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 318 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:43:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-03 05:43:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 787. [2024-11-03 05:43:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.4122137404580153) internal successors, (1110), 786 states have internal predecessors, (1110), 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) [2024-11-03 05:43:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1110 transitions. [2024-11-03 05:43:02,780 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1110 transitions. Word has length 121 [2024-11-03 05:43:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:02,781 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1110 transitions. [2024-11-03 05:43:02,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2024-11-03 05:43:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1110 transitions. [2024-11-03 05:43:02,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-03 05:43:02,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:02,784 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:02,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-03 05:43:02,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:02,986 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:02,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:02,986 INFO L85 PathProgramCache]: Analyzing trace with hash 917948082, now seen corresponding path program 1 times [2024-11-03 05:43:02,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:02,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805109210] [2024-11-03 05:43:02,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:02,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:02,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:02,988 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:02,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-03 05:43:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:03,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:03,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 145 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:43:03,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:43:03,245 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:03,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805109210] [2024-11-03 05:43:03,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [805109210] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:03,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:03,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:03,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578272879] [2024-11-03 05:43:03,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:03,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:03,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:03,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:03,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:03,247 INFO L87 Difference]: Start difference. First operand 787 states and 1110 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 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) [2024-11-03 05:43:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:03,429 INFO L93 Difference]: Finished difference Result 1757 states and 2549 transitions. [2024-11-03 05:43:03,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 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) Word has length 160 [2024-11-03 05:43:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:03,434 INFO L225 Difference]: With dead ends: 1757 [2024-11-03 05:43:03,434 INFO L226 Difference]: Without dead ends: 989 [2024-11-03 05:43:03,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:03,436 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 33 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:03,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 182 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-03 05:43:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 977. [2024-11-03 05:43:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.4754098360655739) internal successors, (1440), 976 states have internal predecessors, (1440), 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) [2024-11-03 05:43:03,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1440 transitions. [2024-11-03 05:43:03,460 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1440 transitions. Word has length 160 [2024-11-03 05:43:03,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:03,460 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1440 transitions. [2024-11-03 05:43:03,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 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) [2024-11-03 05:43:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1440 transitions. [2024-11-03 05:43:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-03 05:43:03,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:03,463 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:03,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-03 05:43:03,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:03,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:03,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1066934368, now seen corresponding path program 1 times [2024-11-03 05:43:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:03,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506902604] [2024-11-03 05:43:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:03,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:03,667 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:03,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-03 05:43:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:03,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:03,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:43:03,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:43:03,929 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:03,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506902604] [2024-11-03 05:43:03,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1506902604] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:03,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:03,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:03,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303395053] [2024-11-03 05:43:03,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:03,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:03,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:03,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:03,931 INFO L87 Difference]: Start difference. First operand 977 states and 1440 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2024-11-03 05:43:04,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:04,106 INFO L93 Difference]: Finished difference Result 1949 states and 2878 transitions. [2024-11-03 05:43:04,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:04,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) Word has length 161 [2024-11-03 05:43:04,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:04,111 INFO L225 Difference]: With dead ends: 1949 [2024-11-03 05:43:04,111 INFO L226 Difference]: Without dead ends: 991 [2024-11-03 05:43:04,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:04,113 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 31 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:04,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 183 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:04,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-11-03 05:43:04,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 979. [2024-11-03 05:43:04,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 978 states have (on average 1.4713701431492843) internal successors, (1439), 978 states have internal predecessors, (1439), 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) [2024-11-03 05:43:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1439 transitions. [2024-11-03 05:43:04,136 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1439 transitions. Word has length 161 [2024-11-03 05:43:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:04,136 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1439 transitions. [2024-11-03 05:43:04,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2024-11-03 05:43:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1439 transitions. [2024-11-03 05:43:04,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-03 05:43:04,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:04,139 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:04,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-03 05:43:04,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:04,341 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:04,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:04,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1322369289, now seen corresponding path program 1 times [2024-11-03 05:43:04,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:04,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493754774] [2024-11-03 05:43:04,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:04,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:04,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:04,343 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:04,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-03 05:43:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:04,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:04,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 217 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-03 05:43:04,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-03 05:43:04,595 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:04,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493754774] [2024-11-03 05:43:04,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1493754774] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:04,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:04,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:04,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721446339] [2024-11-03 05:43:04,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:04,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:04,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:04,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:04,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:04,597 INFO L87 Difference]: Start difference. First operand 979 states and 1439 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2024-11-03 05:43:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:04,766 INFO L93 Difference]: Finished difference Result 2034 states and 3017 transitions. [2024-11-03 05:43:04,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:04,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) Word has length 188 [2024-11-03 05:43:04,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:04,771 INFO L225 Difference]: With dead ends: 2034 [2024-11-03 05:43:04,771 INFO L226 Difference]: Without dead ends: 1074 [2024-11-03 05:43:04,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:04,773 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 38 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:04,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 183 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:04,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2024-11-03 05:43:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1072. [2024-11-03 05:43:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.484593837535014) internal successors, (1590), 1071 states have internal predecessors, (1590), 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) [2024-11-03 05:43:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1590 transitions. [2024-11-03 05:43:04,797 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1590 transitions. Word has length 188 [2024-11-03 05:43:04,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:04,797 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1590 transitions. [2024-11-03 05:43:04,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2024-11-03 05:43:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1590 transitions. [2024-11-03 05:43:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-03 05:43:04,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:04,800 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:04,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:05,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:05,001 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:05,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:05,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1488342707, now seen corresponding path program 1 times [2024-11-03 05:43:05,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:05,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888845873] [2024-11-03 05:43:05,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:05,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:05,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:05,003 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:05,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-03 05:43:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:05,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:05,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 238 proven. 12 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-03 05:43:05,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-03 05:43:05,247 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:05,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888845873] [2024-11-03 05:43:05,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1888845873] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:05,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:05,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-03 05:43:05,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95275099] [2024-11-03 05:43:05,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:05,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:05,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:05,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:43:05,249 INFO L87 Difference]: Start difference. First operand 1072 states and 1590 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2024-11-03 05:43:05,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:05,427 INFO L93 Difference]: Finished difference Result 2235 states and 3346 transitions. [2024-11-03 05:43:05,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:05,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) Word has length 193 [2024-11-03 05:43:05,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:05,432 INFO L225 Difference]: With dead ends: 2235 [2024-11-03 05:43:05,432 INFO L226 Difference]: Without dead ends: 1182 [2024-11-03 05:43:05,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:43:05,434 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 36 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:05,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 180 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:05,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-03 05:43:05,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1180. [2024-11-03 05:43:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1179 states have (on average 1.4995759117896523) internal successors, (1768), 1179 states have internal predecessors, (1768), 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) [2024-11-03 05:43:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1768 transitions. [2024-11-03 05:43:05,461 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1768 transitions. Word has length 193 [2024-11-03 05:43:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:05,461 INFO L471 AbstractCegarLoop]: Abstraction has 1180 states and 1768 transitions. [2024-11-03 05:43:05,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2024-11-03 05:43:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1768 transitions. [2024-11-03 05:43:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-03 05:43:05,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:05,465 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:05,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:05,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:05,667 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:05,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1628381147, now seen corresponding path program 1 times [2024-11-03 05:43:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:05,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631034327] [2024-11-03 05:43:05,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:05,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:05,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:05,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:05,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-03 05:43:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:05,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:05,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 235 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-03 05:43:05,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-03 05:43:05,920 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:05,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631034327] [2024-11-03 05:43:05,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1631034327] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:05,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:05,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:05,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107691394] [2024-11-03 05:43:05,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:05,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:05,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:05,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:05,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:05,922 INFO L87 Difference]: Start difference. First operand 1180 states and 1768 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-11-03 05:43:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:06,094 INFO L93 Difference]: Finished difference Result 2343 states and 3516 transitions. [2024-11-03 05:43:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:06,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) Word has length 194 [2024-11-03 05:43:06,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:06,099 INFO L225 Difference]: With dead ends: 2343 [2024-11-03 05:43:06,099 INFO L226 Difference]: Without dead ends: 1182 [2024-11-03 05:43:06,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:06,101 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 35 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:06,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 180 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-03 05:43:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1180. [2024-11-03 05:43:06,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1179 states have (on average 1.4927905004240882) internal successors, (1760), 1179 states have internal predecessors, (1760), 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) [2024-11-03 05:43:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1760 transitions. [2024-11-03 05:43:06,126 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1760 transitions. Word has length 194 [2024-11-03 05:43:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:06,127 INFO L471 AbstractCegarLoop]: Abstraction has 1180 states and 1760 transitions. [2024-11-03 05:43:06,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-11-03 05:43:06,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1760 transitions. [2024-11-03 05:43:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-03 05:43:06,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:06,130 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:06,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:06,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:06,332 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:06,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1089296481, now seen corresponding path program 1 times [2024-11-03 05:43:06,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:06,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882421762] [2024-11-03 05:43:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:06,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:06,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:06,336 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:06,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-03 05:43:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:06,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:06,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 223 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:43:06,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:43:06,552 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:06,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882421762] [2024-11-03 05:43:06,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1882421762] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:06,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:06,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:06,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673865058] [2024-11-03 05:43:06,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:06,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:06,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:06,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:06,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:06,554 INFO L87 Difference]: Start difference. First operand 1180 states and 1760 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2024-11-03 05:43:06,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:06,729 INFO L93 Difference]: Finished difference Result 2343 states and 3500 transitions. [2024-11-03 05:43:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:06,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) Word has length 200 [2024-11-03 05:43:06,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:06,734 INFO L225 Difference]: With dead ends: 2343 [2024-11-03 05:43:06,734 INFO L226 Difference]: Without dead ends: 1182 [2024-11-03 05:43:06,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:06,737 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 57 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:06,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 180 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:06,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-03 05:43:06,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1180. [2024-11-03 05:43:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1179 states have (on average 1.4809160305343512) internal successors, (1746), 1179 states have internal predecessors, (1746), 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) [2024-11-03 05:43:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1746 transitions. [2024-11-03 05:43:06,777 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1746 transitions. Word has length 200 [2024-11-03 05:43:06,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:06,777 INFO L471 AbstractCegarLoop]: Abstraction has 1180 states and 1746 transitions. [2024-11-03 05:43:06,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2024-11-03 05:43:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1746 transitions. [2024-11-03 05:43:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-03 05:43:06,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:06,782 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:06,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:06,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:06,984 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:06,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2028322794, now seen corresponding path program 1 times [2024-11-03 05:43:06,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:06,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577441847] [2024-11-03 05:43:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:06,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:06,989 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:06,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-03 05:43:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:07,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:07,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 235 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:43:07,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:43:07,208 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:07,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577441847] [2024-11-03 05:43:07,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [577441847] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:07,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:07,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-03 05:43:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637140308] [2024-11-03 05:43:07,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:07,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:07,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:07,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:07,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:43:07,210 INFO L87 Difference]: Start difference. First operand 1180 states and 1746 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2024-11-03 05:43:07,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:07,378 INFO L93 Difference]: Finished difference Result 2343 states and 3472 transitions. [2024-11-03 05:43:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:07,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) Word has length 201 [2024-11-03 05:43:07,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:07,383 INFO L225 Difference]: With dead ends: 2343 [2024-11-03 05:43:07,383 INFO L226 Difference]: Without dead ends: 1182 [2024-11-03 05:43:07,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:43:07,386 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 56 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:07,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 181 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-03 05:43:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1180. [2024-11-03 05:43:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1179 states have (on average 1.469041560644614) internal successors, (1732), 1179 states have internal predecessors, (1732), 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) [2024-11-03 05:43:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1732 transitions. [2024-11-03 05:43:07,415 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1732 transitions. Word has length 201 [2024-11-03 05:43:07,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:07,415 INFO L471 AbstractCegarLoop]: Abstraction has 1180 states and 1732 transitions. [2024-11-03 05:43:07,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2024-11-03 05:43:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1732 transitions. [2024-11-03 05:43:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-03 05:43:07,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:07,420 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:07,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-03 05:43:07,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:07,622 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:07,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:07,623 INFO L85 PathProgramCache]: Analyzing trace with hash 877234846, now seen corresponding path program 1 times [2024-11-03 05:43:07,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:07,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383215984] [2024-11-03 05:43:07,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:07,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:07,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:07,626 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:07,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-03 05:43:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:07,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:07,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 288 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:43:07,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:43:07,868 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:07,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383215984] [2024-11-03 05:43:07,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1383215984] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:07,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:07,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:07,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11121283] [2024-11-03 05:43:07,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:07,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:07,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:07,871 INFO L87 Difference]: Start difference. First operand 1180 states and 1732 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2024-11-03 05:43:08,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:08,050 INFO L93 Difference]: Finished difference Result 2430 states and 3585 transitions. [2024-11-03 05:43:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) Word has length 214 [2024-11-03 05:43:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:08,057 INFO L225 Difference]: With dead ends: 2430 [2024-11-03 05:43:08,057 INFO L226 Difference]: Without dead ends: 1269 [2024-11-03 05:43:08,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:08,060 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 43 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:08,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 182 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:08,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-11-03 05:43:08,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1267. [2024-11-03 05:43:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1266 states have (on average 1.4684044233807267) internal successors, (1859), 1266 states have internal predecessors, (1859), 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) [2024-11-03 05:43:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1859 transitions. [2024-11-03 05:43:08,094 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1859 transitions. Word has length 214 [2024-11-03 05:43:08,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:08,095 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 1859 transitions. [2024-11-03 05:43:08,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2024-11-03 05:43:08,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1859 transitions. [2024-11-03 05:43:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-03 05:43:08,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:08,100 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:08,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-03 05:43:08,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:08,302 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:08,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:08,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1863346731, now seen corresponding path program 1 times [2024-11-03 05:43:08,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:08,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626524500] [2024-11-03 05:43:08,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:08,304 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:08,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-03 05:43:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:08,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:08,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:43:08,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:43:08,562 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:08,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626524500] [2024-11-03 05:43:08,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [626524500] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:08,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:08,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:08,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963229042] [2024-11-03 05:43:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:08,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:08,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:08,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:08,564 INFO L87 Difference]: Start difference. First operand 1267 states and 1859 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-11-03 05:43:08,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:08,746 INFO L93 Difference]: Finished difference Result 2598 states and 3827 transitions. [2024-11-03 05:43:08,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:08,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) Word has length 215 [2024-11-03 05:43:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:08,751 INFO L225 Difference]: With dead ends: 2598 [2024-11-03 05:43:08,752 INFO L226 Difference]: Without dead ends: 1350 [2024-11-03 05:43:08,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:08,754 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 45 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:08,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 182 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-03 05:43:08,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2024-11-03 05:43:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1347 states have (on average 1.4632516703786191) internal successors, (1971), 1347 states have internal predecessors, (1971), 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) [2024-11-03 05:43:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1971 transitions. [2024-11-03 05:43:08,790 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1971 transitions. Word has length 215 [2024-11-03 05:43:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:08,790 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1971 transitions. [2024-11-03 05:43:08,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-11-03 05:43:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1971 transitions. [2024-11-03 05:43:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-03 05:43:08,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:08,794 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:08,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-03 05:43:08,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:08,997 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:08,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:08,997 INFO L85 PathProgramCache]: Analyzing trace with hash -944247289, now seen corresponding path program 1 times [2024-11-03 05:43:08,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:08,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574709264] [2024-11-03 05:43:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:08,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:08,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:09,001 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:09,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-03 05:43:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:09,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:09,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 292 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:43:09,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:43:09,253 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:09,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574709264] [2024-11-03 05:43:09,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1574709264] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:09,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:09,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:09,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423169425] [2024-11-03 05:43:09,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:09,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:09,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:09,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:09,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:09,255 INFO L87 Difference]: Start difference. First operand 1348 states and 1971 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-11-03 05:43:09,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:09,439 INFO L93 Difference]: Finished difference Result 2679 states and 3922 transitions. [2024-11-03 05:43:09,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:09,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) Word has length 215 [2024-11-03 05:43:09,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:09,445 INFO L225 Difference]: With dead ends: 2679 [2024-11-03 05:43:09,445 INFO L226 Difference]: Without dead ends: 1350 [2024-11-03 05:43:09,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:09,448 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 42 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:09,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 182 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:09,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-03 05:43:09,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2024-11-03 05:43:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1347 states have (on average 1.4528582034149964) internal successors, (1957), 1347 states have internal predecessors, (1957), 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) [2024-11-03 05:43:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1957 transitions. [2024-11-03 05:43:09,482 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1957 transitions. Word has length 215 [2024-11-03 05:43:09,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:09,482 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1957 transitions. [2024-11-03 05:43:09,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-11-03 05:43:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1957 transitions. [2024-11-03 05:43:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-03 05:43:09,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:09,486 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:09,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:09,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:09,689 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:09,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash -122975422, now seen corresponding path program 1 times [2024-11-03 05:43:09,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:09,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531502125] [2024-11-03 05:43:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:09,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:09,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:09,693 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:09,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-03 05:43:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:09,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:09,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 284 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:43:09,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:43:09,963 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:09,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531502125] [2024-11-03 05:43:09,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [531502125] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:09,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:09,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:09,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44146396] [2024-11-03 05:43:09,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:09,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:09,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:09,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:09,966 INFO L87 Difference]: Start difference. First operand 1348 states and 1957 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-11-03 05:43:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:10,138 INFO L93 Difference]: Finished difference Result 2679 states and 3894 transitions. [2024-11-03 05:43:10,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:10,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) Word has length 216 [2024-11-03 05:43:10,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:10,144 INFO L225 Difference]: With dead ends: 2679 [2024-11-03 05:43:10,144 INFO L226 Difference]: Without dead ends: 1350 [2024-11-03 05:43:10,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:10,147 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 44 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:10,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 179 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:10,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-03 05:43:10,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1348. [2024-11-03 05:43:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 1347 states have (on average 1.4402375649591685) internal successors, (1940), 1347 states have internal predecessors, (1940), 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) [2024-11-03 05:43:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1940 transitions. [2024-11-03 05:43:10,181 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1940 transitions. Word has length 216 [2024-11-03 05:43:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:10,181 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1940 transitions. [2024-11-03 05:43:10,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-11-03 05:43:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1940 transitions. [2024-11-03 05:43:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-03 05:43:10,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:10,185 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:10,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:10,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:10,386 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:10,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:10,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1175471311, now seen corresponding path program 1 times [2024-11-03 05:43:10,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:10,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211032872] [2024-11-03 05:43:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:10,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:10,388 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:10,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-03 05:43:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:10,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:10,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-03 05:43:10,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-03 05:43:10,575 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211032872] [2024-11-03 05:43:10,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [211032872] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:10,575 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:10,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:10,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415657821] [2024-11-03 05:43:10,575 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:10,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:10,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:10,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:10,578 INFO L87 Difference]: Start difference. First operand 1348 states and 1940 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-11-03 05:43:10,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:10,633 INFO L93 Difference]: Finished difference Result 2701 states and 3887 transitions. [2024-11-03 05:43:10,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:10,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) Word has length 221 [2024-11-03 05:43:10,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:10,639 INFO L225 Difference]: With dead ends: 2701 [2024-11-03 05:43:10,639 INFO L226 Difference]: Without dead ends: 1372 [2024-11-03 05:43:10,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:10,642 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 10 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:10,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 346 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:43:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2024-11-03 05:43:10,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1372. [2024-11-03 05:43:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1371 states have (on average 1.436177972283005) internal successors, (1969), 1371 states have internal predecessors, (1969), 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) [2024-11-03 05:43:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1969 transitions. [2024-11-03 05:43:10,674 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1969 transitions. Word has length 221 [2024-11-03 05:43:10,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:10,675 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1969 transitions. [2024-11-03 05:43:10,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2024-11-03 05:43:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1969 transitions. [2024-11-03 05:43:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-03 05:43:10,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:10,678 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:10,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-03 05:43:10,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:10,881 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:10,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:10,881 INFO L85 PathProgramCache]: Analyzing trace with hash -99452335, now seen corresponding path program 1 times [2024-11-03 05:43:10,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:10,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764572844] [2024-11-03 05:43:10,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:10,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:10,883 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:10,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-03 05:43:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:10,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:10,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-03 05:43:11,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-03 05:43:11,042 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:11,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764572844] [2024-11-03 05:43:11,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [764572844] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:11,042 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:11,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:11,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728411769] [2024-11-03 05:43:11,043 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:11,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:11,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:11,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:11,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:11,044 INFO L87 Difference]: Start difference. First operand 1372 states and 1969 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-11-03 05:43:11,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:11,098 INFO L93 Difference]: Finished difference Result 2727 states and 3918 transitions. [2024-11-03 05:43:11,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:11,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) Word has length 221 [2024-11-03 05:43:11,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:11,103 INFO L225 Difference]: With dead ends: 2727 [2024-11-03 05:43:11,103 INFO L226 Difference]: Without dead ends: 1374 [2024-11-03 05:43:11,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:11,105 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 6 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:11,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 326 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:43:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2024-11-03 05:43:11,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1374. [2024-11-03 05:43:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1373 states have (on average 1.4355426074289876) internal successors, (1971), 1373 states have internal predecessors, (1971), 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) [2024-11-03 05:43:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 1971 transitions. [2024-11-03 05:43:11,160 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 1971 transitions. Word has length 221 [2024-11-03 05:43:11,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:11,160 INFO L471 AbstractCegarLoop]: Abstraction has 1374 states and 1971 transitions. [2024-11-03 05:43:11,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-11-03 05:43:11,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1971 transitions. [2024-11-03 05:43:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-03 05:43:11,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:11,164 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:11,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-03 05:43:11,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:11,365 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:11,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:11,365 INFO L85 PathProgramCache]: Analyzing trace with hash 368633709, now seen corresponding path program 1 times [2024-11-03 05:43:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:11,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974416809] [2024-11-03 05:43:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:11,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:11,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:11,367 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:11,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-03 05:43:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:11,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:11,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 313 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-03 05:43:11,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-03 05:43:11,594 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:11,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974416809] [2024-11-03 05:43:11,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [974416809] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:11,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:11,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:11,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152247854] [2024-11-03 05:43:11,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:11,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:11,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:11,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:11,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:11,597 INFO L87 Difference]: Start difference. First operand 1374 states and 1971 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-11-03 05:43:11,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:11,770 INFO L93 Difference]: Finished difference Result 2831 states and 4076 transitions. [2024-11-03 05:43:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) Word has length 224 [2024-11-03 05:43:11,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:11,775 INFO L225 Difference]: With dead ends: 2831 [2024-11-03 05:43:11,775 INFO L226 Difference]: Without dead ends: 1478 [2024-11-03 05:43:11,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:11,778 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 38 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:11,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 181 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:11,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-03 05:43:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1476. [2024-11-03 05:43:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1475 states have (on average 1.4345762711864407) internal successors, (2116), 1475 states have internal predecessors, (2116), 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) [2024-11-03 05:43:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2116 transitions. [2024-11-03 05:43:11,814 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2116 transitions. Word has length 224 [2024-11-03 05:43:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:11,814 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 2116 transitions. [2024-11-03 05:43:11,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-11-03 05:43:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2116 transitions. [2024-11-03 05:43:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-03 05:43:11,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:11,817 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:11,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:12,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:12,018 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:12,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:12,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1451058971, now seen corresponding path program 1 times [2024-11-03 05:43:12,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:12,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106538011] [2024-11-03 05:43:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:12,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:12,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:12,022 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:12,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-03 05:43:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:12,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:43:12,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 317 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-03 05:43:12,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-03 05:43:12,275 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:12,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106538011] [2024-11-03 05:43:12,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1106538011] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:12,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:12,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:43:12,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061149946] [2024-11-03 05:43:12,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:12,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:12,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:12,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:12,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:12,276 INFO L87 Difference]: Start difference. First operand 1476 states and 2116 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2024-11-03 05:43:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:12,419 INFO L93 Difference]: Finished difference Result 2933 states and 4210 transitions. [2024-11-03 05:43:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) Word has length 225 [2024-11-03 05:43:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:12,424 INFO L225 Difference]: With dead ends: 2933 [2024-11-03 05:43:12,424 INFO L226 Difference]: Without dead ends: 1478 [2024-11-03 05:43:12,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:43:12,426 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 37 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:12,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 181 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:12,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-03 05:43:12,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1476. [2024-11-03 05:43:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1475 states have (on average 1.4271186440677965) internal successors, (2105), 1475 states have internal predecessors, (2105), 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) [2024-11-03 05:43:12,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2105 transitions. [2024-11-03 05:43:12,479 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2105 transitions. Word has length 225 [2024-11-03 05:43:12,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:12,479 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 2105 transitions. [2024-11-03 05:43:12,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2024-11-03 05:43:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2105 transitions. [2024-11-03 05:43:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-03 05:43:12,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:12,485 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:12,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:12,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:12,687 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:12,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:12,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1353326442, now seen corresponding path program 1 times [2024-11-03 05:43:12,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:12,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927688989] [2024-11-03 05:43:12,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:12,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:12,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:12,690 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:12,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-03 05:43:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:12,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:12,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 142 proven. 68 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-03 05:43:12,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-03 05:43:12,969 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:12,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927688989] [2024-11-03 05:43:12,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1927688989] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:12,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:12,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496202319] [2024-11-03 05:43:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:12,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:12,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:12,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:12,971 INFO L87 Difference]: Start difference. First operand 1476 states and 2105 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-03 05:43:13,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:13,151 INFO L93 Difference]: Finished difference Result 2942 states and 4203 transitions. [2024-11-03 05:43:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:13,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) Word has length 230 [2024-11-03 05:43:13,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:13,158 INFO L225 Difference]: With dead ends: 2942 [2024-11-03 05:43:13,158 INFO L226 Difference]: Without dead ends: 1481 [2024-11-03 05:43:13,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:13,160 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 27 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:13,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 186 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2024-11-03 05:43:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1479. [2024-11-03 05:43:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1478 states have (on average 1.4269282814614344) internal successors, (2109), 1478 states have internal predecessors, (2109), 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) [2024-11-03 05:43:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2109 transitions. [2024-11-03 05:43:13,193 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2109 transitions. Word has length 230 [2024-11-03 05:43:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:13,194 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2109 transitions. [2024-11-03 05:43:13,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-03 05:43:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2109 transitions. [2024-11-03 05:43:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-03 05:43:13,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:13,197 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:13,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:13,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:13,398 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:13,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:13,398 INFO L85 PathProgramCache]: Analyzing trace with hash 55945602, now seen corresponding path program 1 times [2024-11-03 05:43:13,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:13,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383062141] [2024-11-03 05:43:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:13,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:13,400 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:13,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-03 05:43:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:13,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:13,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 338 proven. 68 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-03 05:43:13,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-03 05:43:13,674 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:13,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383062141] [2024-11-03 05:43:13,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1383062141] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:13,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:13,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301114010] [2024-11-03 05:43:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:13,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:13,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:13,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:13,677 INFO L87 Difference]: Start difference. First operand 1479 states and 2109 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2024-11-03 05:43:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:13,834 INFO L93 Difference]: Finished difference Result 2939 states and 4196 transitions. [2024-11-03 05:43:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:13,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) Word has length 269 [2024-11-03 05:43:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:13,838 INFO L225 Difference]: With dead ends: 2939 [2024-11-03 05:43:13,838 INFO L226 Difference]: Without dead ends: 1481 [2024-11-03 05:43:13,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:13,840 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 30 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:13,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 205 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2024-11-03 05:43:13,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1479. [2024-11-03 05:43:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1478 states have (on average 1.4235453315290933) internal successors, (2104), 1478 states have internal predecessors, (2104), 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) [2024-11-03 05:43:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2104 transitions. [2024-11-03 05:43:13,878 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2104 transitions. Word has length 269 [2024-11-03 05:43:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:13,878 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2104 transitions. [2024-11-03 05:43:13,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2024-11-03 05:43:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2104 transitions. [2024-11-03 05:43:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-11-03 05:43:13,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:13,884 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:13,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-03 05:43:14,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:14,085 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:14,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:14,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2024-11-03 05:43:14,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:14,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918314441] [2024-11-03 05:43:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:14,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:14,087 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:14,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-03 05:43:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:14,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:14,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-03 05:43:14,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-03 05:43:14,594 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:14,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918314441] [2024-11-03 05:43:14,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1918314441] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:14,595 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:14,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:14,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727168643] [2024-11-03 05:43:14,595 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:14,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:14,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:14,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:14,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:14,596 INFO L87 Difference]: Start difference. First operand 1479 states and 2104 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-11-03 05:43:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:14,645 INFO L93 Difference]: Finished difference Result 4314 states and 6166 transitions. [2024-11-03 05:43:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) Word has length 269 [2024-11-03 05:43:14,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:14,654 INFO L225 Difference]: With dead ends: 4314 [2024-11-03 05:43:14,654 INFO L226 Difference]: Without dead ends: 2856 [2024-11-03 05:43:14,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:14,656 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 101 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:14,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 441 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:43:14,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2024-11-03 05:43:14,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2854. [2024-11-03 05:43:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2853 states have (on average 1.429372590255871) internal successors, (4078), 2853 states have internal predecessors, (4078), 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) [2024-11-03 05:43:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 4078 transitions. [2024-11-03 05:43:14,759 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 4078 transitions. Word has length 269 [2024-11-03 05:43:14,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:14,759 INFO L471 AbstractCegarLoop]: Abstraction has 2854 states and 4078 transitions. [2024-11-03 05:43:14,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-11-03 05:43:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 4078 transitions. [2024-11-03 05:43:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-03 05:43:14,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:14,764 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:14,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-03 05:43:14,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:14,965 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:14,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:14,965 INFO L85 PathProgramCache]: Analyzing trace with hash -435963098, now seen corresponding path program 1 times [2024-11-03 05:43:14,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:14,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236353474] [2024-11-03 05:43:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:14,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:14,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:14,967 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:14,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-03 05:43:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:15,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:15,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 340 proven. 68 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-03 05:43:15,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-03 05:43:15,262 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:15,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236353474] [2024-11-03 05:43:15,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1236353474] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:15,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:15,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:15,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875848114] [2024-11-03 05:43:15,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:15,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:15,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:15,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:15,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:15,264 INFO L87 Difference]: Start difference. First operand 2854 states and 4078 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2024-11-03 05:43:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:15,414 INFO L93 Difference]: Finished difference Result 5691 states and 8136 transitions. [2024-11-03 05:43:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:15,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) Word has length 270 [2024-11-03 05:43:15,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:15,421 INFO L225 Difference]: With dead ends: 5691 [2024-11-03 05:43:15,421 INFO L226 Difference]: Without dead ends: 2810 [2024-11-03 05:43:15,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:15,424 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 29 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:15,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 186 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:15,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2024-11-03 05:43:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2806. [2024-11-03 05:43:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2805 states have (on average 1.4267379679144385) internal successors, (4002), 2805 states have internal predecessors, (4002), 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) [2024-11-03 05:43:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 4002 transitions. [2024-11-03 05:43:15,511 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 4002 transitions. Word has length 270 [2024-11-03 05:43:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:15,511 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 4002 transitions. [2024-11-03 05:43:15,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2024-11-03 05:43:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 4002 transitions. [2024-11-03 05:43:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-03 05:43:15,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:15,516 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:15,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:15,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:15,716 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:15,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:15,717 INFO L85 PathProgramCache]: Analyzing trace with hash -13127569, now seen corresponding path program 1 times [2024-11-03 05:43:15,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:15,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830398775] [2024-11-03 05:43:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:15,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:15,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:15,718 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:15,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-03 05:43:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:15,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:15,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 431 proven. 68 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-03 05:43:15,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-03 05:43:15,971 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:15,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830398775] [2024-11-03 05:43:15,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1830398775] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:15,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:15,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:15,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213297321] [2024-11-03 05:43:15,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:15,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:15,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:15,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:15,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:15,972 INFO L87 Difference]: Start difference. First operand 2806 states and 4002 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2024-11-03 05:43:16,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:16,174 INFO L93 Difference]: Finished difference Result 5595 states and 7984 transitions. [2024-11-03 05:43:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:16,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) Word has length 290 [2024-11-03 05:43:16,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:16,181 INFO L225 Difference]: With dead ends: 5595 [2024-11-03 05:43:16,182 INFO L226 Difference]: Without dead ends: 2810 [2024-11-03 05:43:16,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:16,186 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 51 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:16,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 194 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:43:16,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2024-11-03 05:43:16,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2806. [2024-11-03 05:43:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2805 states have (on average 1.4103386809269163) internal successors, (3956), 2805 states have internal predecessors, (3956), 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) [2024-11-03 05:43:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3956 transitions. [2024-11-03 05:43:16,250 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3956 transitions. Word has length 290 [2024-11-03 05:43:16,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:16,250 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 3956 transitions. [2024-11-03 05:43:16,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2024-11-03 05:43:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3956 transitions. [2024-11-03 05:43:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-03 05:43:16,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:16,255 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:16,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-03 05:43:16,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:16,456 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:16,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash -580965338, now seen corresponding path program 1 times [2024-11-03 05:43:16,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:16,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109846336] [2024-11-03 05:43:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:16,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:16,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:16,457 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:16,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-03 05:43:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:16,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:16,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 447 proven. 56 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-03 05:43:16,678 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-03 05:43:16,715 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:16,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109846336] [2024-11-03 05:43:16,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [109846336] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:16,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:16,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:43:16,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202149634] [2024-11-03 05:43:16,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:16,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:16,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:16,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:16,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:16,717 INFO L87 Difference]: Start difference. First operand 2806 states and 3956 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2024-11-03 05:43:16,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:16,861 INFO L93 Difference]: Finished difference Result 5595 states and 7892 transitions. [2024-11-03 05:43:16,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:16,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) Word has length 291 [2024-11-03 05:43:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:16,865 INFO L225 Difference]: With dead ends: 5595 [2024-11-03 05:43:16,866 INFO L226 Difference]: Without dead ends: 2810 [2024-11-03 05:43:16,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:16,868 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 50 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:16,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 179 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:16,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2024-11-03 05:43:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2806. [2024-11-03 05:43:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2805 states have (on average 1.393939393939394) internal successors, (3910), 2805 states have internal predecessors, (3910), 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) [2024-11-03 05:43:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3910 transitions. [2024-11-03 05:43:16,930 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3910 transitions. Word has length 291 [2024-11-03 05:43:16,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:16,930 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 3910 transitions. [2024-11-03 05:43:16,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2024-11-03 05:43:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3910 transitions. [2024-11-03 05:43:16,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-03 05:43:16,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:16,935 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:16,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:17,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:17,137 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:17,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:17,137 INFO L85 PathProgramCache]: Analyzing trace with hash -561650382, now seen corresponding path program 1 times [2024-11-03 05:43:17,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:17,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865335012] [2024-11-03 05:43:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:17,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:17,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:17,139 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:17,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-03 05:43:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:17,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:17,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 517 proven. 68 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-03 05:43:17,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-03 05:43:17,427 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:17,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865335012] [2024-11-03 05:43:17,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [865335012] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:17,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:17,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:17,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734101300] [2024-11-03 05:43:17,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:17,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:17,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:17,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:17,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:17,429 INFO L87 Difference]: Start difference. First operand 2806 states and 3910 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2024-11-03 05:43:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:17,594 INFO L93 Difference]: Finished difference Result 5595 states and 7800 transitions. [2024-11-03 05:43:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) Word has length 306 [2024-11-03 05:43:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:17,600 INFO L225 Difference]: With dead ends: 5595 [2024-11-03 05:43:17,600 INFO L226 Difference]: Without dead ends: 2810 [2024-11-03 05:43:17,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:17,603 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 44 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:17,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 199 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2024-11-03 05:43:17,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2806. [2024-11-03 05:43:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2805 states have (on average 1.3775401069518716) internal successors, (3864), 2805 states have internal predecessors, (3864), 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) [2024-11-03 05:43:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3864 transitions. [2024-11-03 05:43:17,651 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3864 transitions. Word has length 306 [2024-11-03 05:43:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:17,652 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 3864 transitions. [2024-11-03 05:43:17,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2024-11-03 05:43:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3864 transitions. [2024-11-03 05:43:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-03 05:43:17,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:17,656 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:17,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-03 05:43:17,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:17,858 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:17,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:17,858 INFO L85 PathProgramCache]: Analyzing trace with hash -873934034, now seen corresponding path program 1 times [2024-11-03 05:43:17,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:17,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008702313] [2024-11-03 05:43:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:17,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:17,862 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:17,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-03 05:43:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:17,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:17,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 525 proven. 68 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-03 05:43:18,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 543 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-03 05:43:18,119 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:18,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008702313] [2024-11-03 05:43:18,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1008702313] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:18,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:18,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:18,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714676756] [2024-11-03 05:43:18,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:18,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:18,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:18,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:18,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:18,121 INFO L87 Difference]: Start difference. First operand 2806 states and 3864 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2024-11-03 05:43:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:18,304 INFO L93 Difference]: Finished difference Result 5595 states and 7708 transitions. [2024-11-03 05:43:18,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:18,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) Word has length 307 [2024-11-03 05:43:18,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:18,311 INFO L225 Difference]: With dead ends: 5595 [2024-11-03 05:43:18,311 INFO L226 Difference]: Without dead ends: 2810 [2024-11-03 05:43:18,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:18,315 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 53 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:18,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 179 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:18,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2024-11-03 05:43:18,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2806. [2024-11-03 05:43:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2805 states have (on average 1.3611408199643493) internal successors, (3818), 2805 states have internal predecessors, (3818), 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) [2024-11-03 05:43:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3818 transitions. [2024-11-03 05:43:18,382 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3818 transitions. Word has length 307 [2024-11-03 05:43:18,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:18,382 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 3818 transitions. [2024-11-03 05:43:18,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2024-11-03 05:43:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3818 transitions. [2024-11-03 05:43:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-03 05:43:18,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:18,387 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:18,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-03 05:43:18,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:18,587 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:18,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:18,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1668688969, now seen corresponding path program 1 times [2024-11-03 05:43:18,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:18,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822058775] [2024-11-03 05:43:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:18,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:18,589 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:18,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-03 05:43:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:18,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:18,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 533 proven. 68 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-03 05:43:18,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-03 05:43:18,827 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822058775] [2024-11-03 05:43:18,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [822058775] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:18,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:18,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:18,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415153044] [2024-11-03 05:43:18,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:18,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:18,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:18,828 INFO L87 Difference]: Start difference. First operand 2806 states and 3818 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2024-11-03 05:43:18,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:18,985 INFO L93 Difference]: Finished difference Result 5715 states and 7778 transitions. [2024-11-03 05:43:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:18,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) Word has length 308 [2024-11-03 05:43:18,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:18,990 INFO L225 Difference]: With dead ends: 5715 [2024-11-03 05:43:18,990 INFO L226 Difference]: Without dead ends: 2930 [2024-11-03 05:43:18,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:18,993 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 52 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:18,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 180 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:18,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-11-03 05:43:19,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2926. [2024-11-03 05:43:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2925 states have (on average 1.344957264957265) internal successors, (3934), 2925 states have internal predecessors, (3934), 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) [2024-11-03 05:43:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3934 transitions. [2024-11-03 05:43:19,062 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3934 transitions. Word has length 308 [2024-11-03 05:43:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:19,062 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3934 transitions. [2024-11-03 05:43:19,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2024-11-03 05:43:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3934 transitions. [2024-11-03 05:43:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-03 05:43:19,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:19,066 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:19,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-03 05:43:19,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:19,267 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:19,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2105586347, now seen corresponding path program 1 times [2024-11-03 05:43:19,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:19,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140176919] [2024-11-03 05:43:19,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:19,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:19,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:19,270 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:19,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-03 05:43:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:19,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:19,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 567 proven. 56 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-03 05:43:19,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-03 05:43:19,535 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:19,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140176919] [2024-11-03 05:43:19,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1140176919] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:19,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:19,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:43:19,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466749174] [2024-11-03 05:43:19,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:19,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:19,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:19,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:19,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:19,537 INFO L87 Difference]: Start difference. First operand 2926 states and 3934 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) [2024-11-03 05:43:19,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:19,734 INFO L93 Difference]: Finished difference Result 5835 states and 7848 transitions. [2024-11-03 05:43:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:19,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) Word has length 310 [2024-11-03 05:43:19,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:19,740 INFO L225 Difference]: With dead ends: 5835 [2024-11-03 05:43:19,740 INFO L226 Difference]: Without dead ends: 2930 [2024-11-03 05:43:19,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:19,744 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 47 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:19,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 181 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:19,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-11-03 05:43:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2926. [2024-11-03 05:43:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2925 states have (on average 1.3292307692307692) internal successors, (3888), 2925 states have internal predecessors, (3888), 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) [2024-11-03 05:43:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3888 transitions. [2024-11-03 05:43:19,817 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3888 transitions. Word has length 310 [2024-11-03 05:43:19,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:19,817 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3888 transitions. [2024-11-03 05:43:19,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) [2024-11-03 05:43:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3888 transitions. [2024-11-03 05:43:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-03 05:43:19,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:19,820 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:19,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:20,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:20,021 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:20,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:20,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1559665570, now seen corresponding path program 1 times [2024-11-03 05:43:20,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:20,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817868132] [2024-11-03 05:43:20,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:20,024 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:20,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-03 05:43:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:20,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:20,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 564 proven. 68 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-03 05:43:20,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-03 05:43:20,309 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:20,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817868132] [2024-11-03 05:43:20,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1817868132] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:20,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:20,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:20,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20118098] [2024-11-03 05:43:20,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:20,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:20,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:20,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:20,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:20,311 INFO L87 Difference]: Start difference. First operand 2926 states and 3888 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2024-11-03 05:43:20,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:20,452 INFO L93 Difference]: Finished difference Result 5835 states and 7756 transitions. [2024-11-03 05:43:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:20,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) Word has length 311 [2024-11-03 05:43:20,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:20,457 INFO L225 Difference]: With dead ends: 5835 [2024-11-03 05:43:20,458 INFO L226 Difference]: Without dead ends: 2930 [2024-11-03 05:43:20,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:20,462 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 46 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:20,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 181 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:20,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-11-03 05:43:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2926. [2024-11-03 05:43:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2925 states have (on average 1.3135042735042735) internal successors, (3842), 2925 states have internal predecessors, (3842), 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) [2024-11-03 05:43:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3842 transitions. [2024-11-03 05:43:20,553 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3842 transitions. Word has length 311 [2024-11-03 05:43:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:20,554 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3842 transitions. [2024-11-03 05:43:20,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2024-11-03 05:43:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3842 transitions. [2024-11-03 05:43:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-03 05:43:20,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:20,557 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:20,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-03 05:43:20,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:20,759 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:20,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:20,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1015137021, now seen corresponding path program 1 times [2024-11-03 05:43:20,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:20,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996298520] [2024-11-03 05:43:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:20,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:20,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:20,761 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:20,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-03 05:43:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:20,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:43:20,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 671 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-03 05:43:20,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 671 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-03 05:43:21,010 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996298520] [2024-11-03 05:43:21,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [996298520] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:43:21,010 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:43:21,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:43:21,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453364405] [2024-11-03 05:43:21,011 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:21,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:21,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:21,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:21,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:21,012 INFO L87 Difference]: Start difference. First operand 2926 states and 3842 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2024-11-03 05:43:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:21,121 INFO L93 Difference]: Finished difference Result 8724 states and 11458 transitions. [2024-11-03 05:43:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:21,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) Word has length 330 [2024-11-03 05:43:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:21,131 INFO L225 Difference]: With dead ends: 8724 [2024-11-03 05:43:21,131 INFO L226 Difference]: Without dead ends: 5819 [2024-11-03 05:43:21,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:43:21,136 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 126 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:21,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 426 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:43:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5819 states. [2024-11-03 05:43:21,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5819 to 5817. [2024-11-03 05:43:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5817 states, 5816 states have (on average 1.311554332874828) internal successors, (7628), 5816 states have internal predecessors, (7628), 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) [2024-11-03 05:43:21,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5817 states to 5817 states and 7628 transitions. [2024-11-03 05:43:21,301 INFO L78 Accepts]: Start accepts. Automaton has 5817 states and 7628 transitions. Word has length 330 [2024-11-03 05:43:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:21,302 INFO L471 AbstractCegarLoop]: Abstraction has 5817 states and 7628 transitions. [2024-11-03 05:43:21,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2024-11-03 05:43:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 5817 states and 7628 transitions. [2024-11-03 05:43:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-03 05:43:21,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:21,309 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:21,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:21,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:21,510 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:21,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:21,510 INFO L85 PathProgramCache]: Analyzing trace with hash -267065627, now seen corresponding path program 1 times [2024-11-03 05:43:21,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:21,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26246649] [2024-11-03 05:43:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:21,512 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:21,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-03 05:43:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:21,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:21,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 668 proven. 68 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-03 05:43:21,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 686 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-03 05:43:21,779 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:21,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26246649] [2024-11-03 05:43:21,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [26246649] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:21,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:21,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:21,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615007318] [2024-11-03 05:43:21,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:21,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:21,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:21,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:21,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:21,781 INFO L87 Difference]: Start difference. First operand 5817 states and 7628 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2024-11-03 05:43:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:22,086 INFO L93 Difference]: Finished difference Result 11621 states and 15241 transitions. [2024-11-03 05:43:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:22,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) Word has length 331 [2024-11-03 05:43:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:22,092 INFO L225 Difference]: With dead ends: 11621 [2024-11-03 05:43:22,092 INFO L226 Difference]: Without dead ends: 5825 [2024-11-03 05:43:22,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 653 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:22,097 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 49 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:22,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 185 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2024-11-03 05:43:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5817. [2024-11-03 05:43:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5817 states, 5816 states have (on average 1.295735900962861) internal successors, (7536), 5816 states have internal predecessors, (7536), 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) [2024-11-03 05:43:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5817 states to 5817 states and 7536 transitions. [2024-11-03 05:43:22,253 INFO L78 Accepts]: Start accepts. Automaton has 5817 states and 7536 transitions. Word has length 331 [2024-11-03 05:43:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:22,254 INFO L471 AbstractCegarLoop]: Abstraction has 5817 states and 7536 transitions. [2024-11-03 05:43:22,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2024-11-03 05:43:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 5817 states and 7536 transitions. [2024-11-03 05:43:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-03 05:43:22,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:22,261 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:22,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-03 05:43:22,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:22,462 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:22,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1436805714, now seen corresponding path program 1 times [2024-11-03 05:43:22,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:22,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547782380] [2024-11-03 05:43:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:22,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:22,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:22,464 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:22,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-03 05:43:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:22,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:22,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 686 proven. 56 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-03 05:43:22,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-03 05:43:22,811 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:22,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547782380] [2024-11-03 05:43:22,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1547782380] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:22,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:22,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:43:22,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925995360] [2024-11-03 05:43:22,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:22,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:22,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:22,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:22,812 INFO L87 Difference]: Start difference. First operand 5817 states and 7536 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-03 05:43:23,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:23,040 INFO L93 Difference]: Finished difference Result 11255 states and 14540 transitions. [2024-11-03 05:43:23,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:23,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) Word has length 332 [2024-11-03 05:43:23,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:23,046 INFO L225 Difference]: With dead ends: 11255 [2024-11-03 05:43:23,047 INFO L226 Difference]: Without dead ends: 5459 [2024-11-03 05:43:23,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:23,053 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 48 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:23,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 181 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2024-11-03 05:43:23,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 5451. [2024-11-03 05:43:23,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 1.2721100917431192) internal successors, (6933), 5450 states have internal predecessors, (6933), 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) [2024-11-03 05:43:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 6933 transitions. [2024-11-03 05:43:23,245 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 6933 transitions. Word has length 332 [2024-11-03 05:43:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:23,246 INFO L471 AbstractCegarLoop]: Abstraction has 5451 states and 6933 transitions. [2024-11-03 05:43:23,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-03 05:43:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 6933 transitions. [2024-11-03 05:43:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-03 05:43:23,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:23,253 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:23,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:23,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:23,455 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:23,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:23,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1581277854, now seen corresponding path program 1 times [2024-11-03 05:43:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:23,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804240813] [2024-11-03 05:43:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:23,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:23,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:23,457 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:23,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-03 05:43:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:23,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:23,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 717 proven. 56 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-03 05:43:23,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 725 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-03 05:43:23,725 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:23,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804240813] [2024-11-03 05:43:23,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1804240813] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:23,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:23,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:43:23,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168508967] [2024-11-03 05:43:23,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:23,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:23,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:23,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:23,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:23,726 INFO L87 Difference]: Start difference. First operand 5451 states and 6933 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2024-11-03 05:43:23,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:23,925 INFO L93 Difference]: Finished difference Result 10889 states and 13851 transitions. [2024-11-03 05:43:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:23,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) Word has length 338 [2024-11-03 05:43:23,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:23,931 INFO L225 Difference]: With dead ends: 10889 [2024-11-03 05:43:23,931 INFO L226 Difference]: Without dead ends: 5459 [2024-11-03 05:43:23,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:43:23,936 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 40 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:23,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 185 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:23,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2024-11-03 05:43:24,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 5451. [2024-11-03 05:43:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5451 states, 5450 states have (on average 1.261834862385321) internal successors, (6877), 5450 states have internal predecessors, (6877), 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) [2024-11-03 05:43:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 5451 states and 6877 transitions. [2024-11-03 05:43:24,055 INFO L78 Accepts]: Start accepts. Automaton has 5451 states and 6877 transitions. Word has length 338 [2024-11-03 05:43:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:24,055 INFO L471 AbstractCegarLoop]: Abstraction has 5451 states and 6877 transitions. [2024-11-03 05:43:24,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2024-11-03 05:43:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5451 states and 6877 transitions. [2024-11-03 05:43:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-03 05:43:24,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:24,061 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:24,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-03 05:43:24,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:24,262 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:24,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:24,262 INFO L85 PathProgramCache]: Analyzing trace with hash -235823170, now seen corresponding path program 1 times [2024-11-03 05:43:24,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:24,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945749102] [2024-11-03 05:43:24,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:24,264 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:24,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-03 05:43:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:24,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:43:24,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 712 proven. 68 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-03 05:43:24,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 730 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-03 05:43:24,544 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:24,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945749102] [2024-11-03 05:43:24,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1945749102] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:43:24,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:43:24,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:43:24,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452034680] [2024-11-03 05:43:24,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:43:24,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:43:24,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:24,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:43:24,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:24,546 INFO L87 Difference]: Start difference. First operand 5451 states and 6877 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2024-11-03 05:43:24,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:24,790 INFO L93 Difference]: Finished difference Result 9623 states and 12138 transitions. [2024-11-03 05:43:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:43:24,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) Word has length 339 [2024-11-03 05:43:24,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:24,794 INFO L225 Difference]: With dead ends: 9623 [2024-11-03 05:43:24,794 INFO L226 Difference]: Without dead ends: 2039 [2024-11-03 05:43:24,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:43:24,799 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 39 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:24,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 187 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:43:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2024-11-03 05:43:24,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 2039. [2024-11-03 05:43:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2039 states, 2038 states have (on average 1.2266928361138372) internal successors, (2500), 2038 states have internal predecessors, (2500), 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) [2024-11-03 05:43:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2500 transitions. [2024-11-03 05:43:24,885 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2500 transitions. Word has length 339 [2024-11-03 05:43:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:24,885 INFO L471 AbstractCegarLoop]: Abstraction has 2039 states and 2500 transitions. [2024-11-03 05:43:24,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2024-11-03 05:43:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2500 transitions. [2024-11-03 05:43:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-03 05:43:24,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:24,891 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:24,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-03 05:43:25,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:25,091 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:25,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:25,092 INFO L85 PathProgramCache]: Analyzing trace with hash -59651589, now seen corresponding path program 1 times [2024-11-03 05:43:25,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:25,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251302307] [2024-11-03 05:43:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:25,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:25,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:25,095 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:25,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-03 05:43:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:25,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-03 05:43:25,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 881 proven. 82 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-11-03 05:43:25,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-03 05:43:25,494 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:25,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251302307] [2024-11-03 05:43:25,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [251302307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:43:25,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:43:25,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 11 [2024-11-03 05:43:25,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982047138] [2024-11-03 05:43:25,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:43:25,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-03 05:43:25,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:25,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-03 05:43:25,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-03 05:43:25,496 INFO L87 Difference]: Start difference. First operand 2039 states and 2500 transitions. Second operand has 11 states, 11 states have (on average 23.818181818181817) internal successors, (262), 11 states have internal predecessors, (262), 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) [2024-11-03 05:43:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:26,559 INFO L93 Difference]: Finished difference Result 5604 states and 6856 transitions. [2024-11-03 05:43:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-03 05:43:26,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.818181818181817) internal successors, (262), 11 states have internal predecessors, (262), 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) Word has length 371 [2024-11-03 05:43:26,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:26,563 INFO L225 Difference]: With dead ends: 5604 [2024-11-03 05:43:26,564 INFO L226 Difference]: Without dead ends: 3586 [2024-11-03 05:43:26,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2024-11-03 05:43:26,566 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 456 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 1914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:26,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1388 Invalid, 1914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-03 05:43:26,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2024-11-03 05:43:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 2135. [2024-11-03 05:43:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2135 states, 2134 states have (on average 1.2005623242736645) internal successors, (2562), 2134 states have internal predecessors, (2562), 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) [2024-11-03 05:43:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2562 transitions. [2024-11-03 05:43:26,624 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2562 transitions. Word has length 371 [2024-11-03 05:43:26,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:26,625 INFO L471 AbstractCegarLoop]: Abstraction has 2135 states and 2562 transitions. [2024-11-03 05:43:26,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.818181818181817) internal successors, (262), 11 states have internal predecessors, (262), 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) [2024-11-03 05:43:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2562 transitions. [2024-11-03 05:43:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2024-11-03 05:43:26,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:43:26,627 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:26,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:26,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:26,828 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:43:26,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:43:26,829 INFO L85 PathProgramCache]: Analyzing trace with hash 325769247, now seen corresponding path program 1 times [2024-11-03 05:43:26,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:43:26,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610162759] [2024-11-03 05:43:26,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:43:26,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:26,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:43:26,830 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:43:26,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-03 05:43:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:43:26,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-03 05:43:26,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:43:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2727 backedges. 1272 proven. 302 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2024-11-03 05:43:27,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:43:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2727 backedges. 1308 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2024-11-03 05:43:27,376 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:43:27,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610162759] [2024-11-03 05:43:27,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [610162759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:43:27,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:43:27,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 4] total 17 [2024-11-03 05:43:27,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413819518] [2024-11-03 05:43:27,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:43:27,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-03 05:43:27,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:43:27,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-03 05:43:27,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-03 05:43:27,379 INFO L87 Difference]: Start difference. First operand 2135 states and 2562 transitions. Second operand has 17 states, 17 states have (on average 19.41176470588235) internal successors, (330), 17 states have internal predecessors, (330), 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) [2024-11-03 05:43:29,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:43:29,348 INFO L93 Difference]: Finished difference Result 3456 states and 4181 transitions. [2024-11-03 05:43:29,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-03 05:43:29,349 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 19.41176470588235) internal successors, (330), 17 states have internal predecessors, (330), 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) Word has length 504 [2024-11-03 05:43:29,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:43:29,350 INFO L225 Difference]: With dead ends: 3456 [2024-11-03 05:43:29,351 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:43:29,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1024 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2024-11-03 05:43:29,353 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 564 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 4851 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-03 05:43:29,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 2840 Invalid, 4902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 4851 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-03 05:43:29,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:43:29,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:43:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-03 05:43:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:43:29,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 504 [2024-11-03 05:43:29,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:43:29,358 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:43:29,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.41176470588235) internal successors, (330), 17 states have internal predecessors, (330), 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) [2024-11-03 05:43:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:43:29,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:43:29,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:43:29,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-03 05:43:29,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:43:29,564 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:43:29,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:43:32,644 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:43:32,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:43:32 BoogieIcfgContainer [2024-11-03 05:43:32,670 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:43:32,670 INFO L158 Benchmark]: Toolchain (without parser) took 35673.93ms. Allocated memory was 304.1MB in the beginning and 680.5MB in the end (delta: 376.4MB). Free memory was 255.1MB in the beginning and 611.8MB in the end (delta: -356.7MB). Peak memory consumption was 398.2MB. Max. memory is 8.0GB. [2024-11-03 05:43:32,670 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory was 148.0MB in the beginning and 147.9MB in the end (delta: 126.5kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:43:32,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.79ms. Allocated memory is still 304.1MB. Free memory was 255.1MB in the beginning and 236.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-03 05:43:32,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.12ms. Allocated memory is still 304.1MB. Free memory was 236.8MB in the beginning and 233.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:43:32,671 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 304.1MB. Free memory was 233.7MB in the beginning and 230.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:43:32,671 INFO L158 Benchmark]: RCFGBuilder took 769.24ms. Allocated memory is still 304.1MB. Free memory was 230.6MB in the beginning and 262.5MB in the end (delta: -31.9MB). Peak memory consumption was 32.4MB. Max. memory is 8.0GB. [2024-11-03 05:43:32,671 INFO L158 Benchmark]: TraceAbstraction took 34381.44ms. Allocated memory was 304.1MB in the beginning and 680.5MB in the end (delta: 376.4MB). Free memory was 261.4MB in the beginning and 611.8MB in the end (delta: -350.4MB). Peak memory consumption was 403.6MB. Max. memory is 8.0GB. [2024-11-03 05:43:32,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory was 148.0MB in the beginning and 147.9MB in the end (delta: 126.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.79ms. Allocated memory is still 304.1MB. Free memory was 255.1MB in the beginning and 236.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.12ms. Allocated memory is still 304.1MB. Free memory was 236.8MB in the beginning and 233.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 304.1MB. Free memory was 233.7MB in the beginning and 230.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 769.24ms. Allocated memory is still 304.1MB. Free memory was 230.6MB in the beginning and 262.5MB in the end (delta: -31.9MB). Peak memory consumption was 32.4MB. Max. memory is 8.0GB. * TraceAbstraction took 34381.44ms. Allocated memory was 304.1MB in the beginning and 680.5MB in the end (delta: 376.4MB). Free memory was 261.4MB in the beginning and 611.8MB in the end (delta: -350.4MB). Peak memory consumption was 403.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 678]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 40, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2727 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2727 mSDsluCounter, 12907 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7028 mSDsCounter, 807 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10527 IncrementalHoareTripleChecker+Invalid, 11334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 807 mSolverCounterUnsat, 5879 mSDtfsCounter, 10527 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18694 GetRequests, 18477 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5817occurred in iteration=34, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 40 MinimizatonAttempts, 1563 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 9367 NumberOfCodeBlocks, 9367 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 18654 ConstructedInterpolants, 0 QuantifiedInterpolants, 26371 SizeOfPredicates, 742 NumberOfNonLiveVariables, 10782 ConjunctsInSsa, 1271 ConjunctsInUnsatCore, 80 InterpolantComputations, 48 PerfectInterpolantSequences, 47106/48680 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((8593 != s__state) && (blastFlag == 2)) && (8480 != s__state)) && (8465 != s__state)) && (8577 != s__state)) && (8561 != s__state)) && (8529 != s__state)) && (s__s3__tmp__next_state___0 == 8576)) && (8609 != s__state)) && (8497 != s__state)) && (8481 != s__state)) && (8464 != s__state)) && (8545 != s__state)) && (8657 != s__state)) && (8513 != s__state)) && (8641 != s__state)) && (8673 != s__state)) || ((blastFlag != 4) && (8672 == s__state))) || ((blastFlag != 4) && (0 != s__hit))) || ((((((((((((((((((((((((((((8656 != s__state) && (8593 != s__state)) && (8466 != s__state)) && (8560 != s__state)) && (8480 != s__state)) && (8465 != s__state)) && (8544 != s__state)) && (8528 != s__state)) && (8672 != s__state)) && (8577 != s__state)) && (8561 != s__state)) && (8529 != s__state)) && (8609 != s__state)) && (8497 != s__state)) && (8640 != s__state)) && (8512 != s__state)) && (8592 != s__state)) && (8496 != s__state)) && (8608 != s__state)) && (8481 != s__state)) && (8464 != s__state)) && (8545 != s__state)) && (8657 != s__state)) && (8576 != s__state)) && (8513 != s__state)) && (8641 != s__state)) && (8448 != s__state)) && (8673 != s__state))) || ((blastFlag == 0) && (8464 == s__state))) || ((blastFlag == 1) && (8496 == s__state))) || (((8448 == s__state) && (blastFlag != 4)) && (s__s3__tmp__next_state___0 == 3))) || ((((((((((((((((((((((8593 != s__state) && (blastFlag == 2)) && (8466 != s__state)) && (8480 != s__state)) && (8465 != s__state)) && (8577 != s__state)) && (8561 != s__state)) && (8529 != s__state)) && (8609 != s__state)) && (8497 != s__state)) && (8592 != s__state)) && (8496 != s__state)) && (8608 != s__state)) && (8481 != s__state)) && (8464 != s__state)) && (8545 != s__state)) && (8657 != s__state)) && (8576 != s__state)) && (8513 != s__state)) && (8641 != s__state)) && (8448 != s__state)) && (8673 != s__state))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:43:32,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...