/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_fillercodestructure_filler-pe-ci_file-64.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 07:35:30,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 07:35:31,005 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 07:35:31,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 07:35:31,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 07:35:31,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 07:35:31,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 07:35:31,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 07:35:31,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 07:35:31,028 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 07:35:31,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 07:35:31,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 07:35:31,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 07:35:31,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 07:35:31,029 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 07:35:31,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 07:35:31,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 07:35:31,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 07:35:31,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 07:35:31,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 07:35:31,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 07:35:31,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 07:35:31,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 07:35:31,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 07:35:31,041 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 07:35:31,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 07:35:31,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 07:35:31,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 07:35:31,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 07:35:31,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 07:35:31,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 07:35:31,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 07:35:31,043 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 07:35:31,044 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 07:35:31,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 07:35:31,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 07:35:31,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 07:35:31,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 07:35:31,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 07:35:31,264 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 07:35:31,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-12-23 07:35:32,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 07:35:32,461 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 07:35:32,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-12-23 07:35:32,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6957340/3fa6f5de260d4074a8b15083a0e61350/FLAGb09534d00 [2023-12-23 07:35:32,479 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6957340/3fa6f5de260d4074a8b15083a0e61350 [2023-12-23 07:35:32,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 07:35:32,487 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 07:35:32,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 07:35:32,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 07:35:32,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 07:35:32,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb283fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32, skipping insertion in model container [2023-12-23 07:35:32,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 07:35:32,640 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_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2023-12-23 07:35:32,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 07:35:32,717 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 07:35:32,726 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_fillercodestructure_filler-pe-ci_file-64.i[919,932] [2023-12-23 07:35:32,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 07:35:32,766 INFO L206 MainTranslator]: Completed translation [2023-12-23 07:35:32,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32 WrapperNode [2023-12-23 07:35:32,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 07:35:32,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 07:35:32,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 07:35:32,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 07:35:32,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,807 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-12-23 07:35:32,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 07:35:32,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 07:35:32,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 07:35:32,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 07:35:32,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,831 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 07:35:32,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 07:35:32,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 07:35:32,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 07:35:32,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 07:35:32,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (1/1) ... [2023-12-23 07:35:32,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 07:35:32,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 07:35:32,906 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 07:35:32,914 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 07:35:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 07:35:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 07:35:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 07:35:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 07:35:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 07:35:32,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 07:35:32,998 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 07:35:32,999 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 07:35:33,332 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 07:35:33,405 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 07:35:33,405 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 07:35:33,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:35:33 BoogieIcfgContainer [2023-12-23 07:35:33,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 07:35:33,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 07:35:33,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 07:35:33,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 07:35:33,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:35:32" (1/3) ... [2023-12-23 07:35:33,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e124a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:35:33, skipping insertion in model container [2023-12-23 07:35:33,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:35:32" (2/3) ... [2023-12-23 07:35:33,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e124a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:35:33, skipping insertion in model container [2023-12-23 07:35:33,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:35:33" (3/3) ... [2023-12-23 07:35:33,411 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-64.i [2023-12-23 07:35:33,431 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 07:35:33,431 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 07:35:33,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 07:35:33,468 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;@6e734d6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 07:35:33,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 07:35:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.488888888888889) internal successors, (67), 46 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 07:35:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-23 07:35:33,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:35:33,507 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:33,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:35:33,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:35:33,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2112572211, now seen corresponding path program 1 times [2023-12-23 07:35:33,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:35:33,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892568069] [2023-12-23 07:35:33,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:35:33,525 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 07:35:33,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:35:33,527 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 07:35:33,535 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 07:35:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:35:33,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 07:35:33,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:35:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-12-23 07:35:33,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 07:35:33,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:35:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892568069] [2023-12-23 07:35:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892568069] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 07:35:33,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 07:35:33,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 07:35:33,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003693247] [2023-12-23 07:35:33,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 07:35:33,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 07:35:33,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:35:33,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 07:35:33,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 07:35:33,747 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.488888888888889) internal successors, (67), 46 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 07:35:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:35:33,826 INFO L93 Difference]: Finished difference Result 149 states and 272 transitions. [2023-12-23 07:35:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 07:35:33,832 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2023-12-23 07:35:33,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:35:33,837 INFO L225 Difference]: With dead ends: 149 [2023-12-23 07:35:33,837 INFO L226 Difference]: Without dead ends: 74 [2023-12-23 07:35:33,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 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 07:35:33,845 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-23 07:35:33,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-23 07:35:33,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-23 07:35:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-23 07:35:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 44 states have internal predecessors, (62), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 07:35:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 118 transitions. [2023-12-23 07:35:33,876 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 118 transitions. Word has length 175 [2023-12-23 07:35:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:35:33,876 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 118 transitions. [2023-12-23 07:35:33,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 07:35:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2023-12-23 07:35:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-23 07:35:33,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:35:33,880 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:33,888 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 07:35:34,083 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 07:35:34,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:35:34,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:35:34,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1748369527, now seen corresponding path program 1 times [2023-12-23 07:35:34,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:35:34,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672885849] [2023-12-23 07:35:34,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:35:34,086 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 07:35:34,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:35:34,088 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 07:35:34,090 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 07:35:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:35:34,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-23 07:35:34,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:35:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-23 07:35:35,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 07:35:35,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:35:35,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672885849] [2023-12-23 07:35:35,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672885849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 07:35:35,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 07:35:35,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 07:35:35,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83817148] [2023-12-23 07:35:35,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 07:35:35,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 07:35:35,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:35:35,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 07:35:35,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-23 07:35:35,668 INFO L87 Difference]: Start difference. First operand 74 states and 118 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 07:35:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:35:37,707 INFO L93 Difference]: Finished difference Result 217 states and 335 transitions. [2023-12-23 07:35:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-23 07:35:37,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2023-12-23 07:35:37,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:35:37,710 INFO L225 Difference]: With dead ends: 217 [2023-12-23 07:35:37,710 INFO L226 Difference]: Without dead ends: 144 [2023-12-23 07:35:37,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2023-12-23 07:35:37,711 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 140 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-23 07:35:37,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 350 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-23 07:35:37,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-23 07:35:37,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 84. [2023-12-23 07:35:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 07:35:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 126 transitions. [2023-12-23 07:35:37,726 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 126 transitions. Word has length 175 [2023-12-23 07:35:37,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:35:37,728 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 126 transitions. [2023-12-23 07:35:37,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 07:35:37,728 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2023-12-23 07:35:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-23 07:35:37,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:35:37,730 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:35:37,742 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 [2023-12-23 07:35:37,940 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 07:35:37,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:35:37,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:35:37,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1737251143, now seen corresponding path program 1 times [2023-12-23 07:35:37,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:35:37,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014641692] [2023-12-23 07:35:37,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:35:37,942 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 07:35:37,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:35:37,943 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 07:35:37,943 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 07:35:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:35:39,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-23 07:35:39,327 INFO L285 TraceCheckSpWp]: Computing forward predicates...