/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_operatoramount_amount25_file-89.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 08:33:12,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 08:33:12,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 08:33:12,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 08:33:12,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 08:33:13,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 08:33:13,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 08:33:13,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 08:33:13,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 08:33:13,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 08:33:13,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 08:33:13,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 08:33:13,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 08:33:13,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 08:33:13,036 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 08:33:13,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 08:33:13,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 08:33:13,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 08:33:13,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 08:33:13,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 08:33:13,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 08:33:13,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 08:33:13,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 08:33:13,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 08:33:13,042 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 08:33:13,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 08:33:13,042 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 08:33:13,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 08:33:13,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 08:33:13,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 08:33:13,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 08:33:13,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 08:33:13,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 08:33:13,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 08:33:13,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:33:13,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 08:33:13,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 08:33:13,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 08:33:13,046 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 08:33:13,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 08:33:13,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 08:33:13,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 08:33:13,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 08:33:13,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 08:33:13,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 08:33:13,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 08:33:13,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 08:33:13,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 08:33:13,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 08:33:13,313 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 08:33:13,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-89.i [2024-11-03 08:33:14,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 08:33:15,077 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 08:33:15,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-89.i [2024-11-03 08:33:15,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe499e18b/8da8638f90c44fbe9c74e6dcdbee5692/FLAG6004b60e9 [2024-11-03 08:33:15,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe499e18b/8da8638f90c44fbe9c74e6dcdbee5692 [2024-11-03 08:33:15,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 08:33:15,105 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 08:33:15,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 08:33:15,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 08:33:15,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 08:33:15,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7604c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15, skipping insertion in model container [2024-11-03 08:33:15,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 08:33:15,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-89.i[915,928] [2024-11-03 08:33:15,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:33:15,371 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 08:33:15,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-89.i[915,928] [2024-11-03 08:33:15,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 08:33:15,458 INFO L204 MainTranslator]: Completed translation [2024-11-03 08:33:15,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15 WrapperNode [2024-11-03 08:33:15,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 08:33:15,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 08:33:15,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 08:33:15,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 08:33:15,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,521 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-03 08:33:15,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 08:33:15,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 08:33:15,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 08:33:15,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 08:33:15,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,561 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 08:33:15,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 08:33:15,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 08:33:15,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 08:33:15,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 08:33:15,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (1/1) ... [2024-11-03 08:33:15,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 08:33:15,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 08:33:15,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 08:33:15,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 08:33:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 08:33:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 08:33:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 08:33:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 08:33:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 08:33:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 08:33:15,758 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 08:33:15,760 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 08:33:16,440 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 08:33:16,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 08:33:16,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 08:33:16,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 08:33:16,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:33:16 BoogieIcfgContainer [2024-11-03 08:33:16,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 08:33:16,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 08:33:16,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 08:33:16,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 08:33:16,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 08:33:15" (1/3) ... [2024-11-03 08:33:16,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f6d3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:33:16, skipping insertion in model container [2024-11-03 08:33:16,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 08:33:15" (2/3) ... [2024-11-03 08:33:16,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f6d3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 08:33:16, skipping insertion in model container [2024-11-03 08:33:16,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 08:33:16" (3/3) ... [2024-11-03 08:33:16,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-89.i [2024-11-03 08:33:16,481 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 08:33:16,481 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 08:33:16,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 08:33:16,553 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;@5ec1db5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 08:33:16,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 08:33:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-03 08:33:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-03 08:33:16,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:33:16,572 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:33:16,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:33:16,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:33:16,579 INFO L85 PathProgramCache]: Analyzing trace with hash -616309307, now seen corresponding path program 1 times [2024-11-03 08:33:16,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:33:16,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069588009] [2024-11-03 08:33:16,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:33:16,593 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 [2024-11-03 08:33:16,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:33:16,596 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) [2024-11-03 08:33:16,598 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 [2024-11-03 08:33:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:33:16,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 08:33:16,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:33:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-03 08:33:17,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:33:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-03 08:33:17,181 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:33:17,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069588009] [2024-11-03 08:33:17,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1069588009] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 08:33:17,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 08:33:17,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 08:33:17,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934791163] [2024-11-03 08:33:17,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 08:33:17,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 08:33:17,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:33:17,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 08:33:17,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:33:17,219 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-03 08:33:17,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:33:17,247 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-03 08:33:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 08:33:17,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-03 08:33:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:33:17,259 INFO L225 Difference]: With dead ends: 101 [2024-11-03 08:33:17,259 INFO L226 Difference]: Without dead ends: 50 [2024-11-03 08:33:17,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 08:33:17,266 INFO L432 NwaCegarLoop]: 71 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, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 08:33:17,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 08:33:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-03 08:33:17,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-03 08:33:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-03 08:33:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-03 08:33:17,315 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 120 [2024-11-03 08:33:17,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:33:17,318 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-03 08:33:17,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-03 08:33:17,318 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-03 08:33:17,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-03 08:33:17,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:33:17,321 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:33:17,330 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 [2024-11-03 08:33:17,522 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 [2024-11-03 08:33:17,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:33:17,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:33:17,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1833128139, now seen corresponding path program 1 times [2024-11-03 08:33:17,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:33:17,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346314214] [2024-11-03 08:33:17,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:33:17,525 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 [2024-11-03 08:33:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:33:17,526 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) [2024-11-03 08:33:17,529 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 [2024-11-03 08:33:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:33:17,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-03 08:33:17,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:33:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 371 proven. 48 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-03 08:33:18,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 08:33:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-03 08:33:18,525 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 08:33:18,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346314214] [2024-11-03 08:33:18,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [346314214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 08:33:18,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 08:33:18,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-03 08:33:18,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935382771] [2024-11-03 08:33:18,526 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 08:33:18,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 08:33:18,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 08:33:18,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 08:33:18,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-03 08:33:18,532 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-03 08:33:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 08:33:19,351 INFO L93 Difference]: Finished difference Result 107 states and 147 transitions. [2024-11-03 08:33:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-03 08:33:19,363 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 120 [2024-11-03 08:33:19,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 08:33:19,365 INFO L225 Difference]: With dead ends: 107 [2024-11-03 08:33:19,365 INFO L226 Difference]: Without dead ends: 60 [2024-11-03 08:33:19,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-03 08:33:19,368 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-03 08:33:19,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 139 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-03 08:33:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-03 08:33:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2024-11-03 08:33:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-03 08:33:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 76 transitions. [2024-11-03 08:33:19,387 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 76 transitions. Word has length 120 [2024-11-03 08:33:19,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 08:33:19,390 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 76 transitions. [2024-11-03 08:33:19,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-03 08:33:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2024-11-03 08:33:19,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-03 08:33:19,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 08:33:19,395 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 08:33:19,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-03 08:33:19,596 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 [2024-11-03 08:33:19,597 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 08:33:19,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 08:33:19,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1831281097, now seen corresponding path program 1 times [2024-11-03 08:33:19,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 08:33:19,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053176010] [2024-11-03 08:33:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 08:33:19,598 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 [2024-11-03 08:33:19,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 08:33:19,600 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) [2024-11-03 08:33:19,601 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 [2024-11-03 08:33:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 08:33:19,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-03 08:33:19,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 08:34:04,597 WARN L286 SmtUtils]: Spent 14.56s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)