/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/combinations/gcd_3+newton_1_7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 22:55:40,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 22:55:40,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-21 22:55:40,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 22:55:40,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 22:55:40,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 22:55:40,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 22:55:40,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 22:55:40,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 22:55:40,820 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 22:55:40,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 22:55:40,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 22:55:40,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 22:55:40,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 22:55:40,823 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 22:55:40,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 22:55:40,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 22:55:40,824 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 22:55:40,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 22:55:40,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 22:55:40,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 22:55:40,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 22:55:40,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 22:55:40,826 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-21 22:55:40,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-21 22:55:40,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 22:55:40,827 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-21 22:55:40,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 22:55:40,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 22:55:40,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 22:55:40,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 22:55:40,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 22:55:40,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-21 22:55:40,829 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-21 22:55:40,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 22:55:40,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 22:55:40,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 22:55:40,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 22:55:40,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 22:55:40,831 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-21 22:55:40,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-21 22:55:41,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 22:55:41,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 22:55:41,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 22:55:41,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 22:55:41,104 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 22:55:41,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/gcd_3+newton_1_7.i [2023-12-21 22:55:42,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 22:55:42,468 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 22:55:42,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_7.i [2023-12-21 22:55:42,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748ab0bbe/daf7c0a8fbc14732b74f7a6cd12be161/FLAG8b7207662 [2023-12-21 22:55:42,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748ab0bbe/daf7c0a8fbc14732b74f7a6cd12be161 [2023-12-21 22:55:42,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 22:55:42,489 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 22:55:42,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 22:55:42,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 22:55:42,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 22:55:42,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e93fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42, skipping insertion in model container [2023-12-21 22:55:42,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 22:55:42,643 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_7.i[1226,1239] [2023-12-21 22:55:42,663 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_7.i[2820,2833] [2023-12-21 22:55:42,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 22:55:42,676 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 22:55:42,687 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_7.i[1226,1239] [2023-12-21 22:55:42,699 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/gcd_3+newton_1_7.i[2820,2833] [2023-12-21 22:55:42,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 22:55:42,715 INFO L206 MainTranslator]: Completed translation [2023-12-21 22:55:42,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42 WrapperNode [2023-12-21 22:55:42,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 22:55:42,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 22:55:42,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 22:55:42,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 22:55:42,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,756 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 82 [2023-12-21 22:55:42,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 22:55:42,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 22:55:42,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 22:55:42,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 22:55:42,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,789 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-12-21 22:55:42,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 22:55:42,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 22:55:42,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 22:55:42,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 22:55:42,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (1/1) ... [2023-12-21 22:55:42,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 22:55:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 22:55:42,836 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) [2023-12-21 22:55:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 22:55:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-21 22:55:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-21 22:55:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 22:55:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 22:55:42,884 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 [2023-12-21 22:55:42,976 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 22:55:42,979 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 22:55:53,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 22:55:54,001 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 22:55:54,001 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 22:55:54,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:55:54 BoogieIcfgContainer [2023-12-21 22:55:54,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 22:55:54,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 22:55:54,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 22:55:54,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 22:55:54,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:55:42" (1/3) ... [2023-12-21 22:55:54,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e05f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:55:54, skipping insertion in model container [2023-12-21 22:55:54,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:55:42" (2/3) ... [2023-12-21 22:55:54,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e05f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:55:54, skipping insertion in model container [2023-12-21 22:55:54,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:55:54" (3/3) ... [2023-12-21 22:55:54,009 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3+newton_1_7.i [2023-12-21 22:55:54,021 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 22:55:54,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-21 22:55:54,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 22:55:54,058 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;@18cbaf2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 22:55:54,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-21 22:55:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 22:55:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-21 22:55:54,066 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 22:55:54,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-21 22:55:54,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 22:55:54,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 22:55:54,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1037804606, now seen corresponding path program 1 times [2023-12-21 22:55:54,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 22:55:54,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504463580] [2023-12-21 22:55:54,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 22:55:54,088 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 [2023-12-21 22:55:54,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 22:55:54,094 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) [2023-12-21 22:55:54,099 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 [2023-12-21 22:55:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 22:55:54,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 22:55:54,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 22:55:54,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 22:55:54,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 22:55:54,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 22:55:54,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504463580] [2023-12-21 22:55:54,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504463580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 22:55:54,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 22:55:54,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 22:55:54,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533623820] [2023-12-21 22:55:54,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 22:55:54,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 22:55:54,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 22:55:54,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 22:55:54,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 22:55:54,918 INFO L87 Difference]: Start difference. First operand has 20 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 22:56:00,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-21 22:56:01,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 22:56:01,225 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2023-12-21 22:56:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 22:56:01,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-12-21 22:56:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 22:56:01,233 INFO L225 Difference]: With dead ends: 34 [2023-12-21 22:56:01,233 INFO L226 Difference]: Without dead ends: 15 [2023-12-21 22:56:01,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 22:56:01,237 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-21 22:56:01,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2023-12-21 22:56:01,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-12-21 22:56:01,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-12-21 22:56:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 22:56:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-12-21 22:56:01,278 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 6 [2023-12-21 22:56:01,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 22:56:01,278 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-12-21 22:56:01,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 22:56:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-21 22:56:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-21 22:56:01,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 22:56:01,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-21 22:56:01,296 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 (2)] Ended with exit code 0 [2023-12-21 22:56:01,479 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 [2023-12-21 22:56:01,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 22:56:01,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 22:56:01,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1037745024, now seen corresponding path program 1 times [2023-12-21 22:56:01,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 22:56:01,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223749044] [2023-12-21 22:56:01,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 22:56:01,482 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 [2023-12-21 22:56:01,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 22:56:01,483 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) [2023-12-21 22:56:01,484 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 [2023-12-21 22:56:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 22:56:17,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 22:56:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 22:56:42,292 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-21 22:56:42,292 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 22:56:42,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-21 22:56:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-21 22:56:42,331 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 (3)] Forceful destruction successful, exit code 0 [2023-12-21 22:56:42,496 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 [2023-12-21 22:56:42,499 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-21 22:56:42,502 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 22:56:42,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:56:42 BoogieIcfgContainer [2023-12-21 22:56:42,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 22:56:42,516 INFO L158 Benchmark]: Toolchain (without parser) took 60027.07ms. Allocated memory is still 389.0MB. Free memory was 338.3MB in the beginning and 343.6MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 22:56:42,516 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 222.3MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 22:56:42,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.79ms. Allocated memory is still 389.0MB. Free memory was 338.3MB in the beginning and 325.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-21 22:56:42,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.17ms. Allocated memory is still 389.0MB. Free memory was 325.4MB in the beginning and 323.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 22:56:42,517 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 389.0MB. Free memory was 323.6MB in the beginning and 321.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 22:56:42,518 INFO L158 Benchmark]: RCFGBuilder took 11193.82ms. Allocated memory is still 389.0MB. Free memory was 321.2MB in the beginning and 306.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-21 22:56:42,518 INFO L158 Benchmark]: TraceAbstraction took 48511.89ms. Allocated memory is still 389.0MB. Free memory was 305.8MB in the beginning and 343.6MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 22:56:42,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 222.3MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.79ms. Allocated memory is still 389.0MB. Free memory was 338.3MB in the beginning and 325.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.17ms. Allocated memory is still 389.0MB. Free memory was 325.4MB in the beginning and 323.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 389.0MB. Free memory was 323.6MB in the beginning and 321.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 11193.82ms. Allocated memory is still 389.0MB. Free memory was 321.2MB in the beginning and 306.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 48511.89ms. Allocated memory is still 389.0MB. Free memory was 305.8MB in the beginning and 343.6MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 102]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L75] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L91] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) VAL [IN=-0.7343708872795105, x=0.16798323392868042] [L102] reach_error() VAL [IN=-0.7343708872795105, x=0.16798323392868042] - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 48.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 18 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 16.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-21 22:56:42,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...