/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-19.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-05 23:57:57,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 23:57:57,423 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 23:57:57,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 23:57:57,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 23:57:57,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 23:57:57,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 23:57:57,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 23:57:57,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 23:57:57,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 23:57:57,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 23:57:57,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 23:57:57,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 23:57:57,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 23:57:57,460 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 23:57:57,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 23:57:57,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 23:57:57,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 23:57:57,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 23:57:57,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 23:57:57,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 23:57:57,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 23:57:57,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 23:57:57,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 23:57:57,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 23:57:57,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 23:57:57,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 23:57:57,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 23:57:57,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 23:57:57,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 23:57:57,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 23:57:57,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 23:57:57,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 23:57:57,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 23:57:57,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:57:57,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 23:57:57,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 23:57:57,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 23:57:57,470 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 23:57:57,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 23:57:57,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 23:57:57,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 23:57:57,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 23:57:57,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 23:57:57,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-05 23:57:57,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 23:57:57,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 23:57:57,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 23:57:57,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 23:57:57,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 23:57:57,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-19.i [2024-11-05 23:57:59,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 23:57:59,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 23:57:59,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-19.i [2024-11-05 23:57:59,379 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4270b460a/de50f94b70af42e0b351c6c6aa677b17/FLAG3dfcafa9e [2024-11-05 23:57:59,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4270b460a/de50f94b70af42e0b351c6c6aa677b17 [2024-11-05 23:57:59,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 23:57:59,404 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 23:57:59,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 23:57:59,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 23:57:59,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 23:57:59,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d72943c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59, skipping insertion in model container [2024-11-05 23:57:59,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 23:57:59,630 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_amount50_file-19.i[915,928] [2024-11-05 23:57:59,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:57:59,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 23:57:59,723 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_amount50_file-19.i[915,928] [2024-11-05 23:57:59,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:57:59,778 INFO L204 MainTranslator]: Completed translation [2024-11-05 23:57:59,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59 WrapperNode [2024-11-05 23:57:59,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 23:57:59,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 23:57:59,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 23:57:59,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 23:57:59,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,821 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-05 23:57:59,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 23:57:59,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 23:57:59,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 23:57:59,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 23:57:59,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,847 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 23:57:59,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 23:57:59,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 23:57:59,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 23:57:59,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 23:57:59,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (1/1) ... [2024-11-05 23:57:59,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:57:59,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 23:57:59,915 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 23:57:59,917 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 23:57:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 23:57:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 23:57:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 23:57:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 23:57:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 23:57:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 23:58:00,012 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 23:58:00,013 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 23:58:13,295 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-05 23:58:13,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 23:58:13,309 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 23:58:13,310 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 23:58:13,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:58:13 BoogieIcfgContainer [2024-11-05 23:58:13,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 23:58:13,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 23:58:13,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 23:58:13,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 23:58:13,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:57:59" (1/3) ... [2024-11-05 23:58:13,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4c29f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:58:13, skipping insertion in model container [2024-11-05 23:58:13,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:57:59" (2/3) ... [2024-11-05 23:58:13,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4c29f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:58:13, skipping insertion in model container [2024-11-05 23:58:13,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:58:13" (3/3) ... [2024-11-05 23:58:13,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-19.i [2024-11-05 23:58:13,329 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 23:58:13,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 23:58:13,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 23:58:13,388 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;@715ce70f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 23:58:13,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 23:58:13,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-05 23:58:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 23:58:13,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:58:13,407 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:13,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:58:13,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:58:13,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1493735297, now seen corresponding path program 1 times [2024-11-05 23:58:13,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:58:13,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103888726] [2024-11-05 23:58:13,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:58:13,431 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 23:58:13,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:58:13,435 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 23:58:13,437 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 23:58:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:58:14,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 23:58:14,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:58:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-05 23:58:14,359 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:58:14,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:58:14,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103888726] [2024-11-05 23:58:14,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103888726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:58:14,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:58:14,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-05 23:58:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121029019] [2024-11-05 23:58:14,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:58:14,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 23:58:14,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:58:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 23:58:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 23:58:14,395 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 23:58:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:58:14,424 INFO L93 Difference]: Finished difference Result 123 states and 212 transitions. [2024-11-05 23:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 23:58:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-05 23:58:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:58:14,435 INFO L225 Difference]: With dead ends: 123 [2024-11-05 23:58:14,435 INFO L226 Difference]: Without dead ends: 61 [2024-11-05 23:58:14,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 23:58:14,441 INFO L432 NwaCegarLoop]: 91 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, 91 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 23:58:14,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 23:58:14,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-05 23:58:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-05 23:58:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-05 23:58:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-05 23:58:14,488 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 142 [2024-11-05 23:58:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:58:14,488 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-05 23:58:14,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 23:58:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-05 23:58:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 23:58:14,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:58:14,493 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:14,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 23:58:14,693 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 23:58:14,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:58:14,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:58:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1434245177, now seen corresponding path program 1 times [2024-11-05 23:58:14,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:58:14,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202738917] [2024-11-05 23:58:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:58:14,696 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 23:58:14,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:58:14,699 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 23:58:14,701 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 23:58:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:58:15,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 23:58:15,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:58:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-05 23:58:20,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:58:20,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:58:20,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202738917] [2024-11-05 23:58:20,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202738917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:58:20,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:58:20,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-05 23:58:20,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701260412] [2024-11-05 23:58:20,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:58:20,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 23:58:20,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:58:20,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 23:58:20,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-05 23:58:20,523 INFO L87 Difference]: Start difference. First operand 61 states and 91 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-05 23:58:25,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:29,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:33,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:37,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:41,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:45,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:49,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:58:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:58:49,975 INFO L93 Difference]: Finished difference Result 203 states and 302 transitions. [2024-11-05 23:58:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 23:58:50,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-05 23:58:50,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:58:50,141 INFO L225 Difference]: With dead ends: 203 [2024-11-05 23:58:50,141 INFO L226 Difference]: Without dead ends: 145 [2024-11-05 23:58:50,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-05 23:58:50,143 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 87 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2024-11-05 23:58:50,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 284 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 29.3s Time] [2024-11-05 23:58:50,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-05 23:58:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 117. [2024-11-05 23:58:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-05 23:58:50,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 176 transitions. [2024-11-05 23:58:50,184 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 176 transitions. Word has length 142 [2024-11-05 23:58:50,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:58:50,186 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 176 transitions. [2024-11-05 23:58:50,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-05 23:58:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2024-11-05 23:58:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 23:58:50,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:58:50,189 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:50,210 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 [2024-11-05 23:58:50,390 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 23:58:50,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:58:50,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:58:50,391 INFO L85 PathProgramCache]: Analyzing trace with hash 423127927, now seen corresponding path program 1 times [2024-11-05 23:58:50,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:58:50,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072908794] [2024-11-05 23:58:50,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:58:50,392 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 23:58:50,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:58:50,394 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 23:58:50,395 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 23:58:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:58:51,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 23:58:51,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:58:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-05 23:58:56,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:58:56,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:58:56,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072908794] [2024-11-05 23:58:56,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072908794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:58:56,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:58:56,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-05 23:58:56,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220567060] [2024-11-05 23:58:56,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:58:56,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 23:58:56,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:58:56,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 23:58:56,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 23:58:56,014 INFO L87 Difference]: Start difference. First operand 117 states and 176 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-05 23:59:00,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:59:05,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:59:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:59:05,124 INFO L93 Difference]: Finished difference Result 345 states and 522 transitions. [2024-11-05 23:59:05,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 23:59:05,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-05 23:59:05,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:59:05,278 INFO L225 Difference]: With dead ends: 345 [2024-11-05 23:59:05,278 INFO L226 Difference]: Without dead ends: 231 [2024-11-05 23:59:05,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 23:59:05,282 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 22 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-05 23:59:05,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 171 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-05 23:59:05,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-05 23:59:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2024-11-05 23:59:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 136 states have internal predecessors, (168), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-05 23:59:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 344 transitions. [2024-11-05 23:59:05,327 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 344 transitions. Word has length 142 [2024-11-05 23:59:05,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:59:05,327 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 344 transitions. [2024-11-05 23:59:05,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-05 23:59:05,328 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 344 transitions. [2024-11-05 23:59:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 23:59:05,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:59:05,331 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:05,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-05 23:59:05,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:59:05,533 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:59:05,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:59:05,533 INFO L85 PathProgramCache]: Analyzing trace with hash -163678087, now seen corresponding path program 1 times [2024-11-05 23:59:05,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:59:05,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816172659] [2024-11-05 23:59:05,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:59:05,534 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 23:59:05,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:59:05,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:59:05,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 23:59:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:59:06,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 23:59:06,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:59:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-05 23:59:09,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 23:59:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-05 23:59:12,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:59:12,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816172659] [2024-11-05 23:59:12,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816172659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 23:59:12,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 23:59:12,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-05 23:59:12,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441622326] [2024-11-05 23:59:12,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 23:59:12,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 23:59:12,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:59:12,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 23:59:12,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-05 23:59:12,666 INFO L87 Difference]: Start difference. First operand 229 states and 344 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-05 23:59:18,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 23:59:19,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:59:19,304 INFO L93 Difference]: Finished difference Result 298 states and 440 transitions. [2024-11-05 23:59:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 23:59:19,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 142 [2024-11-05 23:59:19,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:59:19,449 INFO L225 Difference]: With dead ends: 298 [2024-11-05 23:59:19,449 INFO L226 Difference]: Without dead ends: 72 [2024-11-05 23:59:19,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-05 23:59:19,451 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 127 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-05 23:59:19,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 132 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-05 23:59:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-05 23:59:19,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2024-11-05 23:59:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-05 23:59:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2024-11-05 23:59:19,462 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 142 [2024-11-05 23:59:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:59:19,463 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2024-11-05 23:59:19,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-05 23:59:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-11-05 23:59:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-05 23:59:19,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:59:19,465 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:59:19,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-05 23:59:19,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:59:19,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:59:19,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:59:19,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1611329275, now seen corresponding path program 1 times [2024-11-05 23:59:19,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:59:19,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215886444] [2024-11-05 23:59:19,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:59:19,667 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 23:59:19,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:59:19,669 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:59:19,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 23:59:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:59:20,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-05 23:59:20,463 INFO L278 TraceCheckSpWp]: Computing forward predicates...