/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-df9f019-m [2024-11-05 19:15:44,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 19:15:44,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 19:15:44,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 19:15:44,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 19:15:44,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 19:15:44,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 19:15:44,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 19:15:44,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 19:15:44,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 19:15:44,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 19:15:44,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 19:15:44,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 19:15:44,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 19:15:44,829 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 19:15:44,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 19:15:44,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 19:15:44,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 19:15:44,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 19:15:44,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 19:15:44,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 19:15:44,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 19:15:44,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 19:15:44,833 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 19:15:44,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 19:15:44,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 19:15:44,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 19:15:44,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 19:15:44,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 19:15:44,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 19:15:44,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 19:15:44,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 19:15:44,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 19:15:44,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 19:15:44,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 19:15:44,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 19:15:44,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 19:15:44,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 19:15:44,836 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 19:15:44,836 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 19:15:44,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 19:15:44,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 19:15:44,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 19:15:44,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 19:15:44,838 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 19:15:45,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 19:15:45,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 19:15:45,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 19:15:45,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 19:15:45,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 19:15:45,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-05 19:15:46,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 19:15:46,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 19:15:46,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-05 19:15:46,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00d97e90/e08486ed15374d39ac6a42deb8b262ad/FLAGb45a44136 [2024-11-05 19:15:47,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00d97e90/e08486ed15374d39ac6a42deb8b262ad [2024-11-05 19:15:47,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 19:15:47,124 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 19:15:47,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 19:15:47,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 19:15:47,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 19:15:47,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6a2d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47, skipping insertion in model container [2024-11-05 19:15:47,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 19:15:47,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2024-11-05 19:15:47,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 19:15:47,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 19:15:47,383 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2024-11-05 19:15:47,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 19:15:47,423 INFO L204 MainTranslator]: Completed translation [2024-11-05 19:15:47,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47 WrapperNode [2024-11-05 19:15:47,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 19:15:47,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 19:15:47,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 19:15:47,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 19:15:47,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,462 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-05 19:15:47,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 19:15:47,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 19:15:47,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 19:15:47,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 19:15:47,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,479 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,492 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-05 19:15:47,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 19:15:47,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 19:15:47,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 19:15:47,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 19:15:47,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (1/1) ... [2024-11-05 19:15:47,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 19:15:47,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 19:15:47,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 19:15:47,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 19:15:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 19:15:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 19:15:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 19:15:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 19:15:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 19:15:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 19:15:47,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 19:15:47,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 19:15:49,779 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-05 19:15:49,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 19:15:49,792 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 19:15:49,792 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 19:15:49,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:15:49 BoogieIcfgContainer [2024-11-05 19:15:49,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 19:15:49,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 19:15:49,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 19:15:49,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 19:15:49,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:15:47" (1/3) ... [2024-11-05 19:15:49,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432136c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:15:49, skipping insertion in model container [2024-11-05 19:15:49,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:15:47" (2/3) ... [2024-11-05 19:15:49,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432136c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:15:49, skipping insertion in model container [2024-11-05 19:15:49,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:15:49" (3/3) ... [2024-11-05 19:15:49,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-05 19:15:49,818 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 19:15:49,818 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 19:15:49,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 19:15:49,871 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1954cac3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 19:15:49,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 19:15:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-05 19:15:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-05 19:15:49,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:15:49,885 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:15:49,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:15:49,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:15:49,890 INFO L85 PathProgramCache]: Analyzing trace with hash -431780908, now seen corresponding path program 1 times [2024-11-05 19:15:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:15:49,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691471107] [2024-11-05 19:15:49,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:15:49,898 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 [2024-11-05 19:15:49,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:15:49,900 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) [2024-11-05 19:15:49,901 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 [2024-11-05 19:15:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:15:50,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 19:15:50,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:15:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-05 19:15:50,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 19:15:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-05 19:15:50,314 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 19:15:50,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691471107] [2024-11-05 19:15:50,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1691471107] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 19:15:50,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 19:15:50,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 19:15:50,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984161821] [2024-11-05 19:15:50,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 19:15:50,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 19:15:50,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 19:15:50,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 19:15:50,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 19:15:50,349 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 19:15:50,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 19:15:50,371 INFO L93 Difference]: Finished difference Result 105 states and 182 transitions. [2024-11-05 19:15:50,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 19:15:50,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2024-11-05 19:15:50,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 19:15:50,382 INFO L225 Difference]: With dead ends: 105 [2024-11-05 19:15:50,382 INFO L226 Difference]: Without dead ends: 52 [2024-11-05 19:15:50,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 19:15:50,387 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 19:15:50,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 19:15:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-05 19:15:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-05 19:15:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-05 19:15:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2024-11-05 19:15:50,429 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 123 [2024-11-05 19:15:50,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 19:15:50,430 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-05 19:15:50,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 19:15:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-05 19:15:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-05 19:15:50,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:15:50,433 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:15:50,440 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 [2024-11-05 19:15:50,633 WARN L453 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 [2024-11-05 19:15:50,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:15:50,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:15:50,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1509225428, now seen corresponding path program 1 times [2024-11-05 19:15:50,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:15:50,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997352141] [2024-11-05 19:15:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:15:50,636 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 [2024-11-05 19:15:50,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:15:50,640 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) [2024-11-05 19:15:50,641 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 [2024-11-05 19:15:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:15:50,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-05 19:15:50,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:15:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 88 proven. 192 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 19:15:52,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 19:16:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 156 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-11-05 19:16:00,801 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 19:16:00,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997352141] [2024-11-05 19:16:00,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1997352141] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 19:16:00,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 19:16:00,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2024-11-05 19:16:00,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626714458] [2024-11-05 19:16:00,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 19:16:00,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-05 19:16:00,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 19:16:00,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-05 19:16:00,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=408, Unknown=3, NotChecked=0, Total=600 [2024-11-05 19:16:00,810 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 8 states have call successors, (39), 5 states have call predecessors, (39), 9 states have return successors, (40), 7 states have call predecessors, (40), 8 states have call successors, (40) [2024-11-05 19:16:02,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 19:16:02,277 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2024-11-05 19:16:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-05 19:16:02,296 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 8 states have call successors, (39), 5 states have call predecessors, (39), 9 states have return successors, (40), 7 states have call predecessors, (40), 8 states have call successors, (40) Word has length 123 [2024-11-05 19:16:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 19:16:02,298 INFO L225 Difference]: With dead ends: 119 [2024-11-05 19:16:02,298 INFO L226 Difference]: Without dead ends: 70 [2024-11-05 19:16:02,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=313, Invalid=614, Unknown=3, NotChecked=0, Total=930 [2024-11-05 19:16:02,301 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 128 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-05 19:16:02,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 165 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-05 19:16:02,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-05 19:16:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2024-11-05 19:16:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-05 19:16:02,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2024-11-05 19:16:02,319 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 123 [2024-11-05 19:16:02,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 19:16:02,320 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2024-11-05 19:16:02,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 22 states have internal predecessors, (64), 8 states have call successors, (39), 5 states have call predecessors, (39), 9 states have return successors, (40), 7 states have call predecessors, (40), 8 states have call successors, (40) [2024-11-05 19:16:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2024-11-05 19:16:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-05 19:16:02,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 19:16:02,323 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 19:16:02,332 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 [2024-11-05 19:16:02,523 WARN L453 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 [2024-11-05 19:16:02,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 19:16:02,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 19:16:02,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1035915049, now seen corresponding path program 1 times [2024-11-05 19:16:02,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 19:16:02,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531148303] [2024-11-05 19:16:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 19:16:02,527 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 [2024-11-05 19:16:02,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 19:16:02,528 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) [2024-11-05 19:16:02,531 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 [2024-11-05 19:16:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 19:16:02,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-05 19:16:02,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 19:16:33,320 WARN L286 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-05 19:17:13,901 WARN L286 SmtUtils]: Spent 11.48s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)