/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-80.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 04:03:49,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 04:03:49,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 04:03:49,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 04:03:49,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 04:03:49,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 04:03:49,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 04:03:49,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 04:03:49,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 04:03:49,768 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 04:03:49,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 04:03:49,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 04:03:49,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 04:03:49,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 04:03:49,770 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 04:03:49,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 04:03:49,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 04:03:49,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 04:03:49,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 04:03:49,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 04:03:49,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 04:03:49,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 04:03:49,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 04:03:49,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 04:03:49,773 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 04:03:49,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 04:03:49,773 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 04:03:49,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 04:03:49,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 04:03:49,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 04:03:49,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 04:03:49,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 04:03:49,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 04:03:49,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 04:03:49,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 04:03:49,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 04:03:49,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 04:03:49,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 04:03:49,776 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 04:03:49,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 04:03:49,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 04:03:49,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 04:03:49,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 04:03:49,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 04:03:49,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 04:03:49,777 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 04:03:49,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 04:03:49,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 04:03:49,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 04:03:50,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 04:03:50,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 04:03:50,001 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 04:03:50,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-80.i [2023-12-23 04:03:51,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 04:03:51,431 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 04:03:51,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-80.i [2023-12-23 04:03:51,444 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b2d207ec/52a4f78f71ec44a781a25cdda4e8e95a/FLAG82ff10829 [2023-12-23 04:03:51,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b2d207ec/52a4f78f71ec44a781a25cdda4e8e95a [2023-12-23 04:03:51,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 04:03:51,462 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 04:03:51,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 04:03:51,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 04:03:51,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 04:03:51,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d416d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51, skipping insertion in model container [2023-12-23 04:03:51,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 04:03:51,632 WARN L239 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_fillercode_fillercodesize_ps-cn-25_file-80.i[915,928] [2023-12-23 04:03:51,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 04:03:51,716 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 04:03:51,733 WARN L239 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_fillercode_fillercodesize_ps-cn-25_file-80.i[915,928] [2023-12-23 04:03:51,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 04:03:51,793 INFO L206 MainTranslator]: Completed translation [2023-12-23 04:03:51,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51 WrapperNode [2023-12-23 04:03:51,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 04:03:51,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 04:03:51,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 04:03:51,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 04:03:51,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,843 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-12-23 04:03:51,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 04:03:51,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 04:03:51,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 04:03:51,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 04:03:51,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,875 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]. [2023-12-23 04:03:51,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 04:03:51,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 04:03:51,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 04:03:51,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 04:03:51,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (1/1) ... [2023-12-23 04:03:51,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 04:03:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 04:03:51,961 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) [2023-12-23 04:03:51,989 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 [2023-12-23 04:03:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 04:03:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 04:03:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 04:03:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 04:03:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 04:03:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 04:03:52,119 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 04:03:52,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 04:04:18,317 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 04:04:18,368 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 04:04:18,369 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 04:04:18,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:04:18 BoogieIcfgContainer [2023-12-23 04:04:18,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 04:04:18,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 04:04:18,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 04:04:18,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 04:04:18,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:03:51" (1/3) ... [2023-12-23 04:04:18,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd4a3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:04:18, skipping insertion in model container [2023-12-23 04:04:18,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:03:51" (2/3) ... [2023-12-23 04:04:18,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd4a3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:04:18, skipping insertion in model container [2023-12-23 04:04:18,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:04:18" (3/3) ... [2023-12-23 04:04:18,376 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-80.i [2023-12-23 04:04:18,394 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 04:04:18,395 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 04:04:18,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 04:04:18,435 INFO L357 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, mHoare=true, 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;@40ebea84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 04:04:18,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 04:04:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 50 states have internal predecessors, (68), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 04:04:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-23 04:04:18,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:04:18,453 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:04:18,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:04:18,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:04:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash 941959489, now seen corresponding path program 1 times [2023-12-23 04:04:18,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:04:18,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821631352] [2023-12-23 04:04:18,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:04:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:04:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:04:18,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:04:18,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 04:04:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:04:19,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 04:04:19,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:04:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 892 proven. 0 refuted. 0 times theorem prover too weak. 1220 trivial. 0 not checked. [2023-12-23 04:04:19,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:04:19,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:04:19,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821631352] [2023-12-23 04:04:19,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821631352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:04:19,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 04:04:19,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 04:04:19,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326453040] [2023-12-23 04:04:19,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:04:19,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 04:04:19,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:04:19,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 04:04:19,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 04:04:19,975 INFO L87 Difference]: Start difference. First operand has 85 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 50 states have internal predecessors, (68), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 04:04:24,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:04:24,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:04:24,799 INFO L93 Difference]: Finished difference Result 167 states and 299 transitions. [2023-12-23 04:04:25,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 04:04:25,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2023-12-23 04:04:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:04:25,093 INFO L225 Difference]: With dead ends: 167 [2023-12-23 04:04:25,093 INFO L226 Difference]: Without dead ends: 83 [2023-12-23 04:04:25,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 04:04:25,100 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-23 04:04:25,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-12-23 04:04:25,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-23 04:04:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-12-23 04:04:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 48 states have internal predecessors, (62), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 04:04:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2023-12-23 04:04:25,143 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 204 [2023-12-23 04:04:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:04:25,143 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2023-12-23 04:04:25,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 04:04:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2023-12-23 04:04:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-23 04:04:25,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:04:25,148 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:04:25,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 04:04:25,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:04:25,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:04:25,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:04:25,351 INFO L85 PathProgramCache]: Analyzing trace with hash -471353737, now seen corresponding path program 1 times [2023-12-23 04:04:25,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:04:25,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775165751] [2023-12-23 04:04:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:04:25,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:04:25,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:04:25,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:04:25,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 04:04:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:04:26,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 04:04:26,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:04:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-23 04:04:26,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:04:26,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:04:26,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775165751] [2023-12-23 04:04:26,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [775165751] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:04:26,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 04:04:26,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 04:04:26,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071802798] [2023-12-23 04:04:26,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:04:26,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 04:04:26,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:04:26,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 04:04:26,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 04:04:26,930 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 04:04:32,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 04:04:36,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 04:04:40,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:04:44,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 04:04:48,330 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 [0] [2023-12-23 04:04:48,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:04:48,650 INFO L93 Difference]: Finished difference Result 247 states and 382 transitions. [2023-12-23 04:04:48,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 04:04:48,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-23 04:04:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:04:48,655 INFO L225 Difference]: With dead ends: 247 [2023-12-23 04:04:48,655 INFO L226 Difference]: Without dead ends: 165 [2023-12-23 04:04:48,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 04:04:48,657 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 139 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2023-12-23 04:04:48,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 362 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 5 Unknown, 0 Unchecked, 21.6s Time] [2023-12-23 04:04:48,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-23 04:04:48,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2023-12-23 04:04:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 50 states have (on average 1.28) internal successors, (64), 50 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 04:04:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 130 transitions. [2023-12-23 04:04:48,675 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 130 transitions. Word has length 204 [2023-12-23 04:04:48,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:04:48,676 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 130 transitions. [2023-12-23 04:04:48,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 04:04:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2023-12-23 04:04:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-23 04:04:48,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:04:48,680 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:04:48,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-23 04:04:48,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:04:48,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:04:48,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:04:48,901 INFO L85 PathProgramCache]: Analyzing trace with hash 208704633, now seen corresponding path program 1 times [2023-12-23 04:04:48,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:04:48,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867758873] [2023-12-23 04:04:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:04:48,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:04:48,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:04:48,904 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:04:48,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 04:04:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:04:50,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 04:04:50,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:04:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-23 04:04:54,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:04:54,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:04:54,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867758873] [2023-12-23 04:04:54,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867758873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:04:54,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 04:04:54,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 04:04:54,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741377875] [2023-12-23 04:04:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:04:54,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 04:04:54,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:04:54,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 04:04:54,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 04:04:54,293 INFO L87 Difference]: Start difference. First operand 85 states and 130 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 04:04:59,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:03,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:07,302 WARN L539 Checker$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 [] [2023-12-23 04:05:07,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:05:07,622 INFO L93 Difference]: Finished difference Result 251 states and 384 transitions. [2023-12-23 04:05:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 04:05:07,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-23 04:05:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:05:07,626 INFO L225 Difference]: With dead ends: 251 [2023-12-23 04:05:07,626 INFO L226 Difference]: Without dead ends: 167 [2023-12-23 04:05:07,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 04:05:07,628 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 21 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-23 04:05:07,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 241 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-12-23 04:05:07,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-23 04:05:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2023-12-23 04:05:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 96 states have internal predecessors, (118), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-23 04:05:07,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 250 transitions. [2023-12-23 04:05:07,678 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 250 transitions. Word has length 204 [2023-12-23 04:05:07,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:05:07,679 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 250 transitions. [2023-12-23 04:05:07,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 04:05:07,679 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2023-12-23 04:05:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-23 04:05:07,682 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:05:07,682 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:05:07,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-23 04:05:07,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:05:07,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:05:07,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:05:07,897 INFO L85 PathProgramCache]: Analyzing trace with hash 227863799, now seen corresponding path program 1 times [2023-12-23 04:05:07,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:05:07,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844442994] [2023-12-23 04:05:07,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:05:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:05:07,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:05:07,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:05:07,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 04:05:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:05:09,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 04:05:09,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:05:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-23 04:05:13,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:05:13,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:05:13,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844442994] [2023-12-23 04:05:13,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844442994] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:05:13,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 04:05:13,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 04:05:13,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812512867] [2023-12-23 04:05:13,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:05:13,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 04:05:13,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:05:13,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 04:05:13,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-23 04:05:13,252 INFO L87 Difference]: Start difference. First operand 165 states and 250 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 04:05:19,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:23,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:27,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:31,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:36,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:40,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:44,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:48,934 WARN L539 Checker$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 [] [2023-12-23 04:05:52,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:05:56,953 WARN L539 Checker$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 [] [2023-12-23 04:06:01,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:06:06,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:06:10,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:06:15,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:06:19,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:06:23,430 WARN L539 Checker$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 [] [2023-12-23 04:06:27,438 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 [] [2023-12-23 04:06:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:06:27,441 INFO L93 Difference]: Finished difference Result 422 states and 634 transitions. [2023-12-23 04:06:27,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 04:06:27,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 204 [2023-12-23 04:06:27,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:06:27,772 INFO L225 Difference]: With dead ends: 422 [2023-12-23 04:06:27,772 INFO L226 Difference]: Without dead ends: 258 [2023-12-23 04:06:27,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-23 04:06:27,774 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 79 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 67 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.0s IncrementalHoareTripleChecker+Time [2023-12-23 04:06:27,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 430 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 86 Invalid, 17 Unknown, 0 Unchecked, 74.0s Time] [2023-12-23 04:06:27,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-12-23 04:06:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 245. [2023-12-23 04:06:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 142 states have (on average 1.2112676056338028) internal successors, (172), 142 states have internal predecessors, (172), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-12-23 04:06:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 370 transitions. [2023-12-23 04:06:27,810 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 370 transitions. Word has length 204 [2023-12-23 04:06:27,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:06:27,811 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 370 transitions. [2023-12-23 04:06:27,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 04:06:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2023-12-23 04:06:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-23 04:06:27,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:06:27,814 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:06:27,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 04:06:28,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:06:28,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:06:28,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:06:28,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1516962202, now seen corresponding path program 1 times [2023-12-23 04:06:28,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:06:28,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624256858] [2023-12-23 04:06:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:06:28,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:06:28,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:06:28,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:06:28,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-23 04:06:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:06:29,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-23 04:06:29,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:06:48,457 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:06:56,794 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:07:04,514 WARN L293 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:07:11,079 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:07:19,276 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:07:27,401 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:07:31,457 WARN L854 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from false [2023-12-23 04:07:42,972 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:07:57,686 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:02,743 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:10,862 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:19,117 WARN L293 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:27,308 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:35,505 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:42,013 WARN L293 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:50,208 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:08:58,418 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:09:06,633 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:09:17,359 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:09:25,480 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:09:29,540 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from false [2023-12-23 04:09:33,611 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from true [2023-12-23 04:09:41,837 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:09:48,511 WARN L293 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:09:54,888 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:03,071 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:11,258 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:19,441 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:27,630 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:35,827 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:44,029 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:52,142 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:10:59,603 WARN L293 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:07,800 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:15,983 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:24,091 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:30,976 WARN L293 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:39,175 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:47,372 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:11:55,576 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:12:03,767 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:12:13,894 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 04:12:17,959 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_14~0) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from false [2023-12-23 04:12:22,018 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (bvadd c_~var_1_1~0 (_ bv8 16)) (_ bv0 16)) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (= c_~var_1_19~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_14~0) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32))))) is different from true Received shutdown request... [2023-12-23 04:15:33,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 04:15:33,842 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 04:15:35,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-23 04:15:35,017 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 04:15:35,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown