/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/hardness-nfm22/hardness_operatoramount_amount25_file-39.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:08:58,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:08:58,809 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 05:08:58,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:08:58,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:08:58,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:08:58,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:08:58,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:08:58,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:08:58,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:08:58,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:08:58,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:08:58,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:08:58,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:08:58,837 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:08:58,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:08:58,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:08:58,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:08:58,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:08:58,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:08:58,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:08:58,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:08:58,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:08:58,842 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:08:58,842 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:08:58,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:08:58,842 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:08:58,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:08:58,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:08:58,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:08:58,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:08:58,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:08:58,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:08:58,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:08:58,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:08:58,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:08:58,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:08:58,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:08:58,844 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:08:58,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:08:58,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:08:58,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:08:58,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:08:58,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:08:58,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:08:59,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:08:59,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:08:59,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:08:59,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:08:59,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:08:59,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-39.i [2024-11-03 05:09:00,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:09:00,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:09:00,365 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-39.i [2024-11-03 05:09:00,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2265bdebe/82f2c478e1fb4991bf88a6cbfb4b59bc/FLAG9be950006 [2024-11-03 05:09:00,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2265bdebe/82f2c478e1fb4991bf88a6cbfb4b59bc [2024-11-03 05:09:00,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:09:00,786 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:09:00,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:09:00,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:09:00,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:09:00,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:09:00" (1/1) ... [2024-11-03 05:09:00,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d4b595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:00, skipping insertion in model container [2024-11-03 05:09:00,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:09:00" (1/1) ... [2024-11-03 05:09:00,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:09:00,919 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-39.i[915,928] [2024-11-03 05:09:00,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:09:00,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:09:00,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-39.i[915,928] [2024-11-03 05:09:00,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:09:01,000 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:09:01,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01 WrapperNode [2024-11-03 05:09:01,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:09:01,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:09:01,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:09:01,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:09:01,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,038 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-03 05:09:01,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:09:01,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:09:01,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:09:01,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:09:01,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,073 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 05:09:01,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:09:01,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:09:01,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:09:01,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:09:01,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (1/1) ... [2024-11-03 05:09:01,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:09:01,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:09:01,119 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 05:09:01,121 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 05:09:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:09:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:09:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:09:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:09:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:09:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:09:01,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:09:01,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:09:01,505 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 05:09:01,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:09:01,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:09:01,515 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:09:01,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:09:01 BoogieIcfgContainer [2024-11-03 05:09:01,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:09:01,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:09:01,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:09:01,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:09:01,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:09:00" (1/3) ... [2024-11-03 05:09:01,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f901ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:09:01, skipping insertion in model container [2024-11-03 05:09:01,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:01" (2/3) ... [2024-11-03 05:09:01,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f901ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:09:01, skipping insertion in model container [2024-11-03 05:09:01,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:09:01" (3/3) ... [2024-11-03 05:09:01,527 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-39.i [2024-11-03 05:09:01,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:09:01,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:09:01,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:09:01,599 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;@34c15b89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:09:01,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:09:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-03 05:09:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-03 05:09:01,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:01,612 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:01,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:01,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash 705531536, now seen corresponding path program 1 times [2024-11-03 05:09:01,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:01,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155967386] [2024-11-03 05:09:01,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:01,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:01,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:01,627 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 05:09:01,628 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 05:09:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:01,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:09:01,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-03 05:09:02,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-03 05:09:03,101 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:03,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155967386] [2024-11-03 05:09:03,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1155967386] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:03,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:03,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-03 05:09:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041632794] [2024-11-03 05:09:03,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:03,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 05:09:03,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:03,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 05:09:03,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:09:03,121 INFO L87 Difference]: Start difference. First operand has 47 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:03,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:03,499 INFO L93 Difference]: Finished difference Result 165 states and 285 transitions. [2024-11-03 05:09:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 05:09:03,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 87 [2024-11-03 05:09:03,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:03,507 INFO L225 Difference]: With dead ends: 165 [2024-11-03 05:09:03,507 INFO L226 Difference]: Without dead ends: 121 [2024-11-03 05:09:03,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 163 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-03 05:09:03,512 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 101 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:03,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 171 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 05:09:03,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-03 05:09:03,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 81. [2024-11-03 05:09:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 52 states have internal predecessors, (63), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-03 05:09:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-03 05:09:03,560 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 87 [2024-11-03 05:09:03,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:03,560 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-03 05:09:03,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-03 05:09:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-03 05:09:03,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:03,565 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:03,571 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 05:09:03,765 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 05:09:03,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:03,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:03,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1626825182, now seen corresponding path program 1 times [2024-11-03 05:09:03,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:03,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927199860] [2024-11-03 05:09:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:03,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:03,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:03,769 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 05:09:03,770 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 05:09:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:03,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-03 05:09:03,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-03 05:09:05,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-03 05:09:07,243 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:07,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927199860] [2024-11-03 05:09:07,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1927199860] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:07,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:07,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 19 [2024-11-03 05:09:07,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222936924] [2024-11-03 05:09:07,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:07,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 05:09:07,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:07,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 05:09:07,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-11-03 05:09:07,246 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:07,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:07,693 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2024-11-03 05:09:07,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-03 05:09:07,694 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 88 [2024-11-03 05:09:07,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:07,695 INFO L225 Difference]: With dead ends: 115 [2024-11-03 05:09:07,695 INFO L226 Difference]: Without dead ends: 113 [2024-11-03 05:09:07,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-11-03 05:09:07,696 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 50 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:07,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 220 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 05:09:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-03 05:09:07,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 97. [2024-11-03 05:09:07,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-03 05:09:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2024-11-03 05:09:07,707 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 88 [2024-11-03 05:09:07,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:07,708 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2024-11-03 05:09:07,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-03 05:09:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-03 05:09:07,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:07,709 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:07,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 05:09:07,911 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 05:09:07,912 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:07,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:07,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1628672224, now seen corresponding path program 1 times [2024-11-03 05:09:07,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:07,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152926450] [2024-11-03 05:09:07,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:07,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:07,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:07,915 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 05:09:07,916 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 05:09:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:07,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-03 05:09:07,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-03 05:09:09,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-03 05:09:10,280 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:10,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152926450] [2024-11-03 05:09:10,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [152926450] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:10,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:10,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 19 [2024-11-03 05:09:10,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397426372] [2024-11-03 05:09:10,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:10,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 05:09:10,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:10,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 05:09:10,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-03 05:09:10,282 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:10,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:10,806 INFO L93 Difference]: Finished difference Result 114 states and 154 transitions. [2024-11-03 05:09:10,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-03 05:09:10,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 88 [2024-11-03 05:09:10,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:10,808 INFO L225 Difference]: With dead ends: 114 [2024-11-03 05:09:10,808 INFO L226 Difference]: Without dead ends: 112 [2024-11-03 05:09:10,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-03 05:09:10,809 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 20 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:10,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 221 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 05:09:10,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-03 05:09:10,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 97. [2024-11-03 05:09:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-03 05:09:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2024-11-03 05:09:10,823 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 88 [2024-11-03 05:09:10,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:10,824 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2024-11-03 05:09:10,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-03 05:09:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-03 05:09:10,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:10,825 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:10,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-03 05:09:11,027 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 05:09:11,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:11,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:11,028 INFO L85 PathProgramCache]: Analyzing trace with hash -448020475, now seen corresponding path program 1 times [2024-11-03 05:09:11,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:11,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916735973] [2024-11-03 05:09:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:11,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:11,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:11,031 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 05:09:11,032 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 05:09:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:11,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-03 05:09:11,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-03 05:09:11,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-03 05:09:12,836 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:12,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916735973] [2024-11-03 05:09:12,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [916735973] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:12,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:12,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 10 [2024-11-03 05:09:12,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402167349] [2024-11-03 05:09:12,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:12,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:09:12,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:12,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:09:12,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-03 05:09:12,838 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-03 05:09:13,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:13,640 INFO L93 Difference]: Finished difference Result 267 states and 370 transitions. [2024-11-03 05:09:13,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 05:09:13,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2024-11-03 05:09:13,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:13,642 INFO L225 Difference]: With dead ends: 267 [2024-11-03 05:09:13,642 INFO L226 Difference]: Without dead ends: 173 [2024-11-03 05:09:13,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-03 05:09:13,644 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 122 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 95 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:13,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 187 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 0.7s Time] [2024-11-03 05:09:13,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-03 05:09:13,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 158. [2024-11-03 05:09:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 109 states have (on average 1.201834862385321) internal successors, (131), 110 states have internal predecessors, (131), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-03 05:09:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 219 transitions. [2024-11-03 05:09:13,674 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 219 transitions. Word has length 89 [2024-11-03 05:09:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:13,674 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 219 transitions. [2024-11-03 05:09:13,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-03 05:09:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2024-11-03 05:09:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-03 05:09:13,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:13,676 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:13,679 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 05:09:13,876 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 05:09:13,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:13,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:13,877 INFO L85 PathProgramCache]: Analyzing trace with hash -446173433, now seen corresponding path program 1 times [2024-11-03 05:09:13,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:13,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823385942] [2024-11-03 05:09:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:13,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:13,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:13,879 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 05:09:13,881 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 05:09:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:13,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-03 05:09:13,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-03 05:09:14,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-03 05:09:15,483 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:15,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823385942] [2024-11-03 05:09:15,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1823385942] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:15,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:15,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-03 05:09:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359302128] [2024-11-03 05:09:15,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:15,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 05:09:15,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:15,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 05:09:15,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:09:15,485 INFO L87 Difference]: Start difference. First operand 158 states and 219 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:15,551 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2024-11-03 05:09:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 05:09:15,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2024-11-03 05:09:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:15,554 INFO L225 Difference]: With dead ends: 315 [2024-11-03 05:09:15,554 INFO L226 Difference]: Without dead ends: 160 [2024-11-03 05:09:15,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:09:15,556 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:15,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 169 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:09:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-03 05:09:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2024-11-03 05:09:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-03 05:09:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 205 transitions. [2024-11-03 05:09:15,579 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 205 transitions. Word has length 89 [2024-11-03 05:09:15,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:15,580 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 205 transitions. [2024-11-03 05:09:15,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2024-11-03 05:09:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-03 05:09:15,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:15,582 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-03 05:09:15,586 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 05:09:15,782 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 05:09:15,783 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:15,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:15,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1109662877, now seen corresponding path program 1 times [2024-11-03 05:09:15,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:15,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992232970] [2024-11-03 05:09:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:15,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:15,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:15,785 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 05:09:15,786 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 05:09:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:15,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-03 05:09:15,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-11-03 05:09:19,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-03 05:09:20,166 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:20,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992232970] [2024-11-03 05:09:20,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [992232970] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:20,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:20,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [21] total 30 [2024-11-03 05:09:20,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250454556] [2024-11-03 05:09:20,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:20,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 05:09:20,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:20,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 05:09:20,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2024-11-03 05:09:20,168 INFO L87 Difference]: Start difference. First operand 148 states and 205 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:20,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:20,508 INFO L93 Difference]: Finished difference Result 166 states and 224 transitions. [2024-11-03 05:09:20,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 05:09:20,508 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 174 [2024-11-03 05:09:20,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:20,510 INFO L225 Difference]: With dead ends: 166 [2024-11-03 05:09:20,510 INFO L226 Difference]: Without dead ends: 164 [2024-11-03 05:09:20,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=184, Invalid=872, Unknown=0, NotChecked=0, Total=1056 [2024-11-03 05:09:20,512 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 71 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:20,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 196 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:09:20,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-03 05:09:20,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 148. [2024-11-03 05:09:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-03 05:09:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 205 transitions. [2024-11-03 05:09:20,527 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 205 transitions. Word has length 174 [2024-11-03 05:09:20,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:20,528 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 205 transitions. [2024-11-03 05:09:20,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:20,528 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2024-11-03 05:09:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-03 05:09:20,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:09:20,530 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-03 05:09:20,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-03 05:09:20,732 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 05:09:20,733 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:09:20,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:09:20,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1107815835, now seen corresponding path program 1 times [2024-11-03 05:09:20,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:09:20,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083362033] [2024-11-03 05:09:20,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:09:20,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:09:20,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:09:20,735 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 05:09:20,736 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 05:09:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:09:20,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-03 05:09:20,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:09:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 12 proven. 904 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-11-03 05:09:23,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:09:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-11-03 05:09:25,128 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:09:25,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083362033] [2024-11-03 05:09:25,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1083362033] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:09:25,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:09:25,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24] total 33 [2024-11-03 05:09:25,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672326062] [2024-11-03 05:09:25,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:09:25,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 05:09:25,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:09:25,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 05:09:25,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-11-03 05:09:25,129 INFO L87 Difference]: Start difference. First operand 148 states and 205 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:25,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:09:25,568 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2024-11-03 05:09:25,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 05:09:25,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 174 [2024-11-03 05:09:25,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:09:25,569 INFO L225 Difference]: With dead ends: 158 [2024-11-03 05:09:25,569 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:09:25,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=194, Invalid=1066, Unknown=0, NotChecked=0, Total=1260 [2024-11-03 05:09:25,571 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 31 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:09:25,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 197 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:09:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:09:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:09:25,572 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 05:09:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:09:25,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2024-11-03 05:09:25,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:09:25,572 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:09:25,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-03 05:09:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:09:25,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:09:25,574 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:09:25,578 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 05:09:25,775 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 05:09:25,777 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:09:25,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:09:26,773 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:09:26,780 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:09:26,781 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:09:26,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:09:26 BoogieIcfgContainer [2024-11-03 05:09:26,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:09:26,787 INFO L158 Benchmark]: Toolchain (without parser) took 26001.58ms. Allocated memory was 186.6MB in the beginning and 701.5MB in the end (delta: 514.9MB). Free memory was 149.9MB in the beginning and 324.0MB in the end (delta: -174.1MB). Peak memory consumption was 411.0MB. Max. memory is 8.0GB. [2024-11-03 05:09:26,787 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 186.6MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:09:26,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.63ms. Allocated memory is still 186.6MB. Free memory was 149.4MB in the beginning and 134.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 05:09:26,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.08ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 132.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:09:26,788 INFO L158 Benchmark]: Boogie Preprocessor took 53.15ms. Allocated memory is still 186.6MB. Free memory was 132.7MB in the beginning and 130.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:09:26,788 INFO L158 Benchmark]: RCFGBuilder took 422.53ms. Allocated memory is still 186.6MB. Free memory was 130.2MB in the beginning and 115.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 05:09:26,788 INFO L158 Benchmark]: TraceAbstraction took 25269.51ms. Allocated memory was 186.6MB in the beginning and 701.5MB in the end (delta: 514.9MB). Free memory was 114.4MB in the beginning and 324.0MB in the end (delta: -209.6MB). Peak memory consumption was 375.4MB. Max. memory is 8.0GB. [2024-11-03 05:09:26,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 186.6MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.63ms. Allocated memory is still 186.6MB. Free memory was 149.4MB in the beginning and 134.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.08ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 132.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.15ms. Allocated memory is still 186.6MB. Free memory was 132.7MB in the beginning and 130.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 422.53ms. Allocated memory is still 186.6MB. Free memory was 130.2MB in the beginning and 115.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 25269.51ms. Allocated memory was 186.6MB in the beginning and 701.5MB in the end (delta: 514.9MB). Free memory was 114.4MB in the beginning and 324.0MB in the end (delta: -209.6MB). Peak memory consumption was 375.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * 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: 19]: 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 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.2s, OverallIterations: 7, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 444 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 444 mSDsluCounter, 1361 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1001 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 639 IncrementalHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 360 mSDtfsCounter, 639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1585 GetRequests, 1445 SyntacticMatches, 10 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=4, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 114 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 789 NumberOfCodeBlocks, 789 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1564 ConstructedInterpolants, 14 QuantifiedInterpolants, 13141 SizeOfPredicates, 325 NumberOfNonLiveVariables, 1254 ConjunctsInSsa, 497 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 5876/8448 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: 94]: Loop Invariant Derived loop invariant: (((var_1_6 == var_1_14) && (((last_1_var_1_10 == 0) || (var_1_14 == var_1_16)) || !(var_1_3 >= last_1_var_1_6))) || (((((last_1_var_1_10 == 0) && (-var_1_11 != var_1_14)) && (var_1_11 != var_1_14)) && (var_1_14 >= var_1_1)) && (0 == var_1_10))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_16 == \old(var_1_16))) && (last_1_var_1_6 == \old(last_1_var_1_6))) && (last_1_var_1_10 == \old(last_1_var_1_10))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:09:26,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...