/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_floatingpointinfluence_no-floats_file-7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:31:52,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:31:52,483 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 04:31:52,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:31:52,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:31:52,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:31:52,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:31:52,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:31:52,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:31:52,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:31:52,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:31:52,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:31:52,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:31:52,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:31:52,515 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:31:52,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:31:52,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:31:52,515 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:31:52,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:31:52,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:31:52,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:31:52,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:31:52,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:31:52,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:31:52,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:31:52,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:31:52,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:31:52,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:31:52,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:31:52,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:31:52,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:31:52,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:31:52,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:31:52,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:31:52,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:31:52,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:31:52,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:31:52,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:31:52,520 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:31:52,521 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:31:52,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:31:52,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:31:52,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:31:52,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:31:52,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:31:52,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:31:52,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:31:52,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:31:52,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:31:52,744 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:31:52,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i [2024-11-03 04:31:54,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:31:54,372 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:31:54,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-7.i [2024-11-03 04:31:54,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315ead366/929b8b371c544ef5b143b6c1364c5458/FLAG0eaa49119 [2024-11-03 04:31:54,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315ead366/929b8b371c544ef5b143b6c1364c5458 [2024-11-03 04:31:54,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:31:54,783 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:31:54,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:31:54,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:31:54,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:31:54,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:31:54" (1/1) ... [2024-11-03 04:31:54,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd6a1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:54, skipping insertion in model container [2024-11-03 04:31:54,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:31:54" (1/1) ... [2024-11-03 04:31:54,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:31:54,968 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_floatingpointinfluence_no-floats_file-7.i[915,928] [2024-11-03 04:31:55,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:31:55,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:31:55,044 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_floatingpointinfluence_no-floats_file-7.i[915,928] [2024-11-03 04:31:55,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:31:55,086 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:31:55,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55 WrapperNode [2024-11-03 04:31:55,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:31:55,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:31:55,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:31:55,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:31:55,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,135 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-03 04:31:55,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:31:55,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:31:55,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:31:55,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:31:55,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,155 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,164 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 04:31:55,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:31:55,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:31:55,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:31:55,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:31:55,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (1/1) ... [2024-11-03 04:31:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:31:55,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:31:55,225 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 04:31:55,237 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 04:31:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:31:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:31:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:31:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:31:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:31:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:31:55,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:31:55,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:31:55,519 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 04:31:55,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:31:55,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:31:55,534 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:31:55,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:31:55 BoogieIcfgContainer [2024-11-03 04:31:55,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:31:55,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:31:55,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:31:55,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:31:55,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:31:54" (1/3) ... [2024-11-03 04:31:55,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241231d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:31:55, skipping insertion in model container [2024-11-03 04:31:55,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:55" (2/3) ... [2024-11-03 04:31:55,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241231d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:31:55, skipping insertion in model container [2024-11-03 04:31:55,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:31:55" (3/3) ... [2024-11-03 04:31:55,549 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-7.i [2024-11-03 04:31:55,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:31:55,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:31:55,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:31:55,631 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;@209ce105, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:31:55,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:31:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-03 04:31:55,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-03 04:31:55,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:31:55,648 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:31:55,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:31:55,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:31:55,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1710571826, now seen corresponding path program 1 times [2024-11-03 04:31:55,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:31:55,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916520411] [2024-11-03 04:31:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:31:55,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:31:55,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:31:55,671 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 04:31:55,672 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 04:31:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:31:55,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 04:31:55,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:31:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-03 04:31:55,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:31:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-03 04:31:55,926 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:31:55,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916520411] [2024-11-03 04:31:55,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [916520411] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:31:55,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:31:55,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 04:31:55,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998008992] [2024-11-03 04:31:55,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:31:55,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 04:31:55,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:31:55,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 04:31:55,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 04:31:55,954 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-03 04:31:55,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:31:55,973 INFO L93 Difference]: Finished difference Result 89 states and 153 transitions. [2024-11-03 04:31:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 04:31:55,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 94 [2024-11-03 04:31:55,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:31:55,985 INFO L225 Difference]: With dead ends: 89 [2024-11-03 04:31:55,985 INFO L226 Difference]: Without dead ends: 44 [2024-11-03 04:31:55,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 04:31:55,991 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 04:31:55,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 04:31:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-03 04:31:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-03 04:31:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-03 04:31:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2024-11-03 04:31:56,029 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 94 [2024-11-03 04:31:56,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:31:56,030 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2024-11-03 04:31:56,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-03 04:31:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-03 04:31:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-03 04:31:56,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:31:56,033 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:31:56,038 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 04:31:56,234 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 04:31:56,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:31:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:31:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1154549772, now seen corresponding path program 1 times [2024-11-03 04:31:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:31:56,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109709826] [2024-11-03 04:31:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:31:56,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:31:56,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:31:56,238 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 04:31:56,239 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 04:31:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:31:56,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-03 04:31:56,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:32:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-03 04:32:00,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:32:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-03 04:32:08,875 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:32:08,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109709826] [2024-11-03 04:32:08,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2109709826] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:32:08,875 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:32:08,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13 [2024-11-03 04:32:08,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222351506] [2024-11-03 04:32:08,876 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:32:08,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 04:32:08,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:32:08,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 04:32:08,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-03 04:32:08,878 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-03 04:32:09,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:32:09,328 INFO L93 Difference]: Finished difference Result 151 states and 214 transitions. [2024-11-03 04:32:09,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 04:32:09,329 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94 [2024-11-03 04:32:09,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:32:09,331 INFO L225 Difference]: With dead ends: 151 [2024-11-03 04:32:09,331 INFO L226 Difference]: Without dead ends: 110 [2024-11-03 04:32:09,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-03 04:32:09,333 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 127 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 04:32:09,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 461 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 04:32:09,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-03 04:32:09,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 91. [2024-11-03 04:32:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-03 04:32:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2024-11-03 04:32:09,360 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 94 [2024-11-03 04:32:09,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:32:09,360 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2024-11-03 04:32:09,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-03 04:32:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2024-11-03 04:32:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-03 04:32:09,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:32:09,362 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:32:09,388 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 04:32:09,564 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 04:32:09,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:32:09,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:32:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1880779568, now seen corresponding path program 1 times [2024-11-03 04:32:09,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:32:09,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037675777] [2024-11-03 04:32:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:32:09,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:32:09,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:32:09,572 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 04:32:09,573 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 04:32:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:32:09,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-03 04:32:09,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:32:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-03 04:32:11,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:32:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-03 04:32:18,786 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:32:18,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037675777] [2024-11-03 04:32:18,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1037675777] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:32:18,787 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:32:18,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2024-11-03 04:32:18,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708328904] [2024-11-03 04:32:18,788 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:32:18,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 04:32:18,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:32:18,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 04:32:18,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-03 04:32:18,790 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-03 04:32:19,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:32:19,508 INFO L93 Difference]: Finished difference Result 277 states and 365 transitions. [2024-11-03 04:32:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 04:32:19,509 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 96 [2024-11-03 04:32:19,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:32:19,513 INFO L225 Difference]: With dead ends: 277 [2024-11-03 04:32:19,513 INFO L226 Difference]: Without dead ends: 216 [2024-11-03 04:32:19,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-03 04:32:19,517 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 204 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-03 04:32:19,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 528 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-03 04:32:19,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-03 04:32:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 180. [2024-11-03 04:32:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 113 states have (on average 1.1504424778761062) internal successors, (130), 117 states have internal predecessors, (130), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 51 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-03 04:32:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 240 transitions. [2024-11-03 04:32:19,555 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 240 transitions. Word has length 96 [2024-11-03 04:32:19,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:32:19,555 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 240 transitions. [2024-11-03 04:32:19,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-03 04:32:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2024-11-03 04:32:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-03 04:32:19,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:32:19,559 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:32:19,562 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 04:32:19,761 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 04:32:19,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:32:19,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:32:19,762 INFO L85 PathProgramCache]: Analyzing trace with hash -105772206, now seen corresponding path program 1 times [2024-11-03 04:32:19,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:32:19,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537574050] [2024-11-03 04:32:19,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:32:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:32:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:32:19,766 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 04:32:19,768 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 04:32:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:32:19,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-03 04:32:19,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:32:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-03 04:32:21,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:32:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-03 04:32:28,427 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:32:28,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537574050] [2024-11-03 04:32:28,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [537574050] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:32:28,428 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:32:28,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2024-11-03 04:32:28,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673512411] [2024-11-03 04:32:28,429 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:32:28,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 04:32:28,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:32:28,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 04:32:28,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-03 04:32:28,433 INFO L87 Difference]: Start difference. First operand 180 states and 240 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-03 04:32:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:32:29,010 INFO L93 Difference]: Finished difference Result 312 states and 401 transitions. [2024-11-03 04:32:29,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 04:32:29,012 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 96 [2024-11-03 04:32:29,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:32:29,014 INFO L225 Difference]: With dead ends: 312 [2024-11-03 04:32:29,014 INFO L226 Difference]: Without dead ends: 230 [2024-11-03 04:32:29,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2024-11-03 04:32:29,016 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 190 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 04:32:29,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 494 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 04:32:29,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-03 04:32:29,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 120. [2024-11-03 04:32:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 79 states have internal predecessors, (91), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-03 04:32:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 159 transitions. [2024-11-03 04:32:29,031 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 159 transitions. Word has length 96 [2024-11-03 04:32:29,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:32:29,031 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 159 transitions. [2024-11-03 04:32:29,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-03 04:32:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2024-11-03 04:32:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-03 04:32:29,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:32:29,034 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 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, 1, 1] [2024-11-03 04:32:29,037 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 04:32:29,234 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 04:32:29,235 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:32:29,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:32:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1155734981, now seen corresponding path program 1 times [2024-11-03 04:32:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:32:29,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079042008] [2024-11-03 04:32:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:32:29,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:32:29,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:32:29,240 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 04:32:29,241 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 04:32:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:32:29,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-03 04:32:29,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:32:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2024-11-03 04:32:31,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:32:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1766 trivial. 0 not checked. [2024-11-03 04:32:38,462 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:32:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079042008] [2024-11-03 04:32:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1079042008] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:32:38,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:32:38,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-03 04:32:38,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899143788] [2024-11-03 04:32:38,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:32:38,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 04:32:38,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:32:38,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 04:32:38,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-03 04:32:38,464 INFO L87 Difference]: Start difference. First operand 120 states and 159 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-03 04:32:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:32:38,822 INFO L93 Difference]: Finished difference Result 174 states and 223 transitions. [2024-11-03 04:32:38,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 04:32:38,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 188 [2024-11-03 04:32:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:32:38,826 INFO L225 Difference]: With dead ends: 174 [2024-11-03 04:32:38,826 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:32:38,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-03 04:32:38,827 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 76 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 04:32:38,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 345 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 04:32:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:32:38,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:32:38,831 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 04:32:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:32:38,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2024-11-03 04:32:38,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:32:38,831 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:32:38,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-03 04:32:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:32:38,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:32:38,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:32:38,843 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 04:32:39,037 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 04:32:39,042 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-03 04:32:39,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:32:40,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:32:40,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:32:40 BoogieIcfgContainer [2024-11-03 04:32:40,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:32:40,084 INFO L158 Benchmark]: Toolchain (without parser) took 45301.53ms. Allocated memory was 353.4MB in the beginning and 1.1GB in the end (delta: 748.7MB). Free memory was 300.1MB in the beginning and 735.3MB in the end (delta: -435.1MB). Peak memory consumption was 315.1MB. Max. memory is 8.0GB. [2024-11-03 04:32:40,084 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 148.0MB in the beginning and 147.8MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:32:40,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.71ms. Allocated memory is still 353.4MB. Free memory was 299.8MB in the beginning and 285.4MB in the end (delta: 14.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 04:32:40,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.55ms. Allocated memory is still 353.4MB. Free memory was 285.4MB in the beginning and 283.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 04:32:40,085 INFO L158 Benchmark]: Boogie Preprocessor took 42.35ms. Allocated memory is still 353.4MB. Free memory was 283.4MB in the beginning and 281.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 04:32:40,085 INFO L158 Benchmark]: RCFGBuilder took 358.29ms. Allocated memory is still 353.4MB. Free memory was 281.0MB in the beginning and 315.9MB in the end (delta: -34.9MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2024-11-03 04:32:40,085 INFO L158 Benchmark]: TraceAbstraction took 44543.71ms. Allocated memory was 353.4MB in the beginning and 1.1GB in the end (delta: 748.7MB). Free memory was 315.4MB in the beginning and 735.3MB in the end (delta: -419.9MB). Peak memory consumption was 329.3MB. Max. memory is 8.0GB. [2024-11-03 04:32:40,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 148.0MB in the beginning and 147.8MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 303.71ms. Allocated memory is still 353.4MB. Free memory was 299.8MB in the beginning and 285.4MB in the end (delta: 14.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.55ms. Allocated memory is still 353.4MB. Free memory was 285.4MB in the beginning and 283.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.35ms. Allocated memory is still 353.4MB. Free memory was 283.4MB in the beginning and 281.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 358.29ms. Allocated memory is still 353.4MB. Free memory was 281.0MB in the beginning and 315.9MB in the end (delta: -34.9MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * TraceAbstraction took 44543.71ms. Allocated memory was 353.4MB in the beginning and 1.1GB in the end (delta: 748.7MB). Free memory was 315.4MB in the beginning and 735.3MB in the end (delta: -419.9MB). Peak memory consumption was 329.3MB. 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: 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, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.4s, OverallIterations: 5, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 597 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 597 mSDsluCounter, 1892 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1503 mSDsCounter, 152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1026 IncrementalHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 152 mSolverCounterUnsat, 389 mSDtfsCounter, 1026 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1151 GetRequests, 1080 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=3, InterpolantAutomatonStates: 56, 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, 5 MinimizatonAttempts, 165 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 39.6s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1126 ConstructedInterpolants, 4 QuantifiedInterpolants, 2142 SizeOfPredicates, 181 NumberOfNonLiveVariables, 913 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 6870/6900 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: 102]: Loop Invariant Derived loop invariant: (((((!(var_1_4 <= var_1_7) || !(var_1_11 > var_1_7)) && (var_1_7 == 0)) && (5 == var_1_12)) && (var_1_8 == 0)) || ((var_1_6 == var_1_1) && (var_1_7 == var_1_11))) - 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_4 == \old(var_1_4))) && (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))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_12 == \old(last_1_var_1_12))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:32:40,124 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...