/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_amount100_file-97.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:47:03,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:47:03,682 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 04:47:03,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:47:03,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:47:03,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:47:03,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:47:03,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:47:03,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:47:03,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:47:03,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:47:03,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:47:03,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:47:03,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:47:03,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:47:03,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:47:03,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:47:03,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:47:03,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:47:03,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:47:03,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:47:03,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:47:03,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:47:03,734 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:47:03,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:47:03,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:47:03,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:47:03,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:47:03,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:47:03,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:47:03,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:47:03,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:47:03,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:47:03,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:47:03,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:47:03,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:47:03,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:47:03,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:47:03,741 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:47:03,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:47:03,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:47:03,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:47:03,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:47:03,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:47:03,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:47:03,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:47:04,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:47:04,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:47:04,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:47:04,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:47:04,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-97.i [2024-11-03 04:47:05,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:47:05,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:47:05,794 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-97.i [2024-11-03 04:47:05,804 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ba82dad/f6ced1a4dcf4484abe4eb61b84aaf894/FLAG25afe76d3 [2024-11-03 04:47:06,154 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ba82dad/f6ced1a4dcf4484abe4eb61b84aaf894 [2024-11-03 04:47:06,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:47:06,158 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:47:06,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:47:06,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:47:06,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:47:06,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a90a0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06, skipping insertion in model container [2024-11-03 04:47:06,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:47:06,398 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_amount100_file-97.i[916,929] [2024-11-03 04:47:06,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:47:06,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:47:06,506 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_amount100_file-97.i[916,929] [2024-11-03 04:47:06,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:47:06,563 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:47:06,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06 WrapperNode [2024-11-03 04:47:06,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:47:06,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:47:06,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:47:06,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:47:06,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,624 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2024-11-03 04:47:06,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:47:06,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:47:06,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:47:06,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:47:06,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,678 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 04:47:06,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:47:06,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:47:06,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:47:06,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:47:06,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (1/1) ... [2024-11-03 04:47:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:47:06,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:47:06,763 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 04:47:06,767 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 04:47:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:47:06,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:47:06,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:47:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:47:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:47:06,907 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:47:06,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:47:16,112 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-03 04:47:16,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:47:16,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:47:16,129 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:47:16,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:16 BoogieIcfgContainer [2024-11-03 04:47:16,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:47:16,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:47:16,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:47:16,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:47:16,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:47:06" (1/3) ... [2024-11-03 04:47:16,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4423ffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:16, skipping insertion in model container [2024-11-03 04:47:16,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:06" (2/3) ... [2024-11-03 04:47:16,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4423ffca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:16, skipping insertion in model container [2024-11-03 04:47:16,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:16" (3/3) ... [2024-11-03 04:47:16,142 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-97.i [2024-11-03 04:47:16,160 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:47:16,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:47:16,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:47:16,230 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;@5c6a6d59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:47:16,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:47:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-03 04:47:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-03 04:47:16,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:47:16,248 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:16,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:47:16,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:47:16,253 INFO L85 PathProgramCache]: Analyzing trace with hash -526305821, now seen corresponding path program 1 times [2024-11-03 04:47:16,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:47:16,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323268327] [2024-11-03 04:47:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:47:16,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:47:16,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:47:16,263 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 04:47:16,265 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 04:47:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:47:16,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 04:47:16,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:47:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-03 04:47:16,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:47:17,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-03 04:47:17,267 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:47:17,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323268327] [2024-11-03 04:47:17,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1323268327] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:47:17,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:47:17,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 04:47:17,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643921687] [2024-11-03 04:47:17,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:47:17,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 04:47:17,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:47:17,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 04:47:17,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 04:47:17,295 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-03 04:47:17,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:47:17,319 INFO L93 Difference]: Finished difference Result 155 states and 272 transitions. [2024-11-03 04:47:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 04:47:17,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2024-11-03 04:47:17,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:47:17,328 INFO L225 Difference]: With dead ends: 155 [2024-11-03 04:47:17,328 INFO L226 Difference]: Without dead ends: 77 [2024-11-03 04:47:17,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 316 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 04:47:17,334 INFO L432 NwaCegarLoop]: 120 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, 120 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 04:47:17,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 04:47:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-03 04:47:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-03 04:47:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-03 04:47:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2024-11-03 04:47:17,379 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 159 [2024-11-03 04:47:17,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:47:17,379 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2024-11-03 04:47:17,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-03 04:47:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-03 04:47:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-03 04:47:17,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:47:17,384 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:17,388 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 04:47:17,584 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 04:47:17,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:47:17,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:47:17,586 INFO L85 PathProgramCache]: Analyzing trace with hash -179999509, now seen corresponding path program 1 times [2024-11-03 04:47:17,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:47:17,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104870527] [2024-11-03 04:47:17,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:47:17,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:47:17,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:47:17,589 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 04:47:17,590 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 04:47:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:47:17,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 04:47:17,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:47:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-03 04:47:17,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:47:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-03 04:47:18,523 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:47:18,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104870527] [2024-11-03 04:47:18,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [104870527] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:47:18,523 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:47:18,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 04:47:18,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364025399] [2024-11-03 04:47:18,524 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:47:18,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 04:47:18,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:47:18,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 04:47:18,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 04:47:18,529 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-03 04:47:22,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:47:27,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:47:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:47:27,115 INFO L93 Difference]: Finished difference Result 215 states and 336 transitions. [2024-11-03 04:47:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 04:47:27,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2024-11-03 04:47:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:47:27,120 INFO L225 Difference]: With dead ends: 215 [2024-11-03 04:47:27,120 INFO L226 Difference]: Without dead ends: 141 [2024-11-03 04:47:27,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 04:47:27,122 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 93 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-03 04:47:27,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 299 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-11-03 04:47:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-03 04:47:27,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 86. [2024-11-03 04:47:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-03 04:47:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 133 transitions. [2024-11-03 04:47:27,139 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 133 transitions. Word has length 159 [2024-11-03 04:47:27,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:47:27,141 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 133 transitions. [2024-11-03 04:47:27,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-03 04:47:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2024-11-03 04:47:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-03 04:47:27,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:47:27,145 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:27,148 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 04:47:27,345 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 04:47:27,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:47:27,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:47:27,347 INFO L85 PathProgramCache]: Analyzing trace with hash 69351161, now seen corresponding path program 1 times [2024-11-03 04:47:27,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:47:27,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167064757] [2024-11-03 04:47:27,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:47:27,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:47:27,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:47:27,349 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 04:47:27,350 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 04:47:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:47:27,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-03 04:47:27,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:47:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-03 04:47:33,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:47:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-03 04:47:51,001 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:47:51,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167064757] [2024-11-03 04:47:51,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1167064757] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:47:51,002 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:47:51,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2024-11-03 04:47:51,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352129890] [2024-11-03 04:47:51,002 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:47:51,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 04:47:51,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:47:51,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 04:47:51,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 04:47:51,005 INFO L87 Difference]: Start difference. First operand 86 states and 133 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-03 04:47:54,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:47:56,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:03,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:07,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:11,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:15,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:18,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:25,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:29,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:33,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:37,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 04:48:43,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []