/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 FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-88.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 08:12:33,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 08:12:33,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-06 08:12:33,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 08:12:33,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 08:12:33,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 08:12:33,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 08:12:33,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 08:12:33,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 08:12:33,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 08:12:33,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 08:12:33,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 08:12:33,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 08:12:33,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 08:12:33,808 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 08:12:33,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 08:12:33,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 08:12:33,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 08:12:33,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 08:12:33,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 08:12:33,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 08:12:33,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 08:12:33,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 08:12:33,812 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 08:12:33,812 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 08:12:33,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 08:12:33,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 08:12:33,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 08:12:33,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 08:12:33,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 08:12:33,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 08:12:33,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 08:12:33,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 08:12:33,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 08:12:33,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 08:12:33,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 08:12:33,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 08:12:33,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 08:12:33,816 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 08:12:33,816 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 08:12:33,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 08:12:33,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 08:12:33,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 08:12:33,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 08:12:33,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 08:12:34,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 08:12:34,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 08:12:34,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 08:12:34,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 08:12:34,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 08:12:34,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-88.i [2024-11-06 08:12:35,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 08:12:35,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 08:12:35,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-88.i [2024-11-06 08:12:35,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7160a5b7a/fe8c3a82e7bb4074a34da40107826255/FLAG98565c49d [2024-11-06 08:12:35,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7160a5b7a/fe8c3a82e7bb4074a34da40107826255 [2024-11-06 08:12:35,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 08:12:35,843 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 08:12:35,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 08:12:35,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 08:12:35,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 08:12:35,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:12:35" (1/1) ... [2024-11-06 08:12:35,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38760570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:35, skipping insertion in model container [2024-11-06 08:12:35,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:12:35" (1/1) ... [2024-11-06 08:12:35,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 08:12:36,042 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_amount100_file-88.i[916,929] [2024-11-06 08:12:36,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 08:12:36,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 08:12:36,193 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_amount100_file-88.i[916,929] [2024-11-06 08:12:36,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 08:12:36,285 INFO L204 MainTranslator]: Completed translation [2024-11-06 08:12:36,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36 WrapperNode [2024-11-06 08:12:36,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 08:12:36,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 08:12:36,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 08:12:36,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 08:12:36,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,353 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2024-11-06 08:12:36,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 08:12:36,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 08:12:36,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 08:12:36,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 08:12:36,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,399 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]. [2024-11-06 08:12:36,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 08:12:36,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 08:12:36,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 08:12:36,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 08:12:36,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (1/1) ... [2024-11-06 08:12:36,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 08:12:36,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 08:12:36,476 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) [2024-11-06 08:12:36,479 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 [2024-11-06 08:12:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 08:12:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 08:12:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 08:12:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 08:12:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 08:12:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 08:12:36,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 08:12:36,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 08:12:39,409 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-06 08:12:39,409 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 08:12:39,426 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 08:12:39,427 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 08:12:39,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:12:39 BoogieIcfgContainer [2024-11-06 08:12:39,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 08:12:39,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 08:12:39,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 08:12:39,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 08:12:39,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:12:35" (1/3) ... [2024-11-06 08:12:39,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a572ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:12:39, skipping insertion in model container [2024-11-06 08:12:39,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:12:36" (2/3) ... [2024-11-06 08:12:39,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a572ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:12:39, skipping insertion in model container [2024-11-06 08:12:39,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:12:39" (3/3) ... [2024-11-06 08:12:39,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-88.i [2024-11-06 08:12:39,487 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 08:12:39,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 08:12:39,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 08:12:39,588 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;@21599319, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 08:12:39,588 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 08:12:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-06 08:12:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-06 08:12:39,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 08:12:39,614 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 08:12:39,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 08:12:39,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 08:12:39,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2142022509, now seen corresponding path program 1 times [2024-11-06 08:12:39,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 08:12:39,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461354065] [2024-11-06 08:12:39,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 08:12:39,638 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 [2024-11-06 08:12:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 08:12:39,642 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) [2024-11-06 08:12:39,644 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 [2024-11-06 08:12:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 08:12:40,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 08:12:40,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 08:12:45,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-06 08:12:45,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 08:12:45,267 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 08:12:45,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461354065] [2024-11-06 08:12:45,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461354065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 08:12:45,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 08:12:45,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 08:12:45,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114035333] [2024-11-06 08:12:45,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 08:12:45,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 08:12:45,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 08:12:45,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 08:12:45,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 08:12:45,301 INFO L87 Difference]: Start difference. First operand has 90 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:12:48,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:12:49,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 08:12:49,348 INFO L93 Difference]: Finished difference Result 257 states and 464 transitions. [2024-11-06 08:12:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 08:12:49,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 183 [2024-11-06 08:12:49,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 08:12:49,386 INFO L225 Difference]: With dead ends: 257 [2024-11-06 08:12:49,386 INFO L226 Difference]: Without dead ends: 170 [2024-11-06 08:12:49,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 08:12:49,392 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 74 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-06 08:12:49,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 416 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-06 08:12:49,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-06 08:12:49,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 140. [2024-11-06 08:12:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 81 states have (on average 1.271604938271605) internal successors, (103), 81 states have internal predecessors, (103), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-06 08:12:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 215 transitions. [2024-11-06 08:12:49,480 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 215 transitions. Word has length 183 [2024-11-06 08:12:49,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 08:12:49,482 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 215 transitions. [2024-11-06 08:12:49,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:12:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 215 transitions. [2024-11-06 08:12:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-06 08:12:49,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 08:12:49,490 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 08:12:49,508 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 [2024-11-06 08:12:49,691 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 [2024-11-06 08:12:49,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 08:12:49,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 08:12:49,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1335296337, now seen corresponding path program 1 times [2024-11-06 08:12:49,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 08:12:49,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112189386] [2024-11-06 08:12:49,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 08:12:49,693 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 [2024-11-06 08:12:49,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 08:12:49,696 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) [2024-11-06 08:12:49,698 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 [2024-11-06 08:12:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 08:12:50,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 08:12:50,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 08:12:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-06 08:12:51,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 08:12:51,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 08:12:51,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112189386] [2024-11-06 08:12:51,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112189386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 08:12:51,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 08:12:51,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 08:12:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326359030] [2024-11-06 08:12:51,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 08:12:51,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 08:12:51,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 08:12:51,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 08:12:51,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 08:12:51,052 INFO L87 Difference]: Start difference. First operand 140 states and 215 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:12:53,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:12:53,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 08:12:53,522 INFO L93 Difference]: Finished difference Result 335 states and 512 transitions. [2024-11-06 08:12:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 08:12:53,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 183 [2024-11-06 08:12:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 08:12:53,527 INFO L225 Difference]: With dead ends: 335 [2024-11-06 08:12:53,527 INFO L226 Difference]: Without dead ends: 252 [2024-11-06 08:12:53,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 08:12:53,529 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 142 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-06 08:12:53,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 321 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-06 08:12:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-06 08:12:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 216. [2024-11-06 08:12:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 128 states have (on average 1.265625) internal successors, (162), 128 states have internal predecessors, (162), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-06 08:12:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 330 transitions. [2024-11-06 08:12:53,576 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 330 transitions. Word has length 183 [2024-11-06 08:12:53,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 08:12:53,577 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 330 transitions. [2024-11-06 08:12:53,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:12:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 330 transitions. [2024-11-06 08:12:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-06 08:12:53,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 08:12:53,580 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 08:12:53,600 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 [2024-11-06 08:12:53,781 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 [2024-11-06 08:12:53,781 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 08:12:53,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 08:12:53,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2037443591, now seen corresponding path program 1 times [2024-11-06 08:12:53,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 08:12:53,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529601110] [2024-11-06 08:12:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 08:12:53,783 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 [2024-11-06 08:12:53,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 08:12:53,785 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) [2024-11-06 08:12:53,786 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 [2024-11-06 08:12:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 08:12:54,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 08:12:54,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 08:12:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-06 08:12:55,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 08:12:55,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 08:12:55,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529601110] [2024-11-06 08:12:55,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529601110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 08:12:55,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 08:12:55,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 08:12:55,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951061536] [2024-11-06 08:12:55,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 08:12:55,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 08:12:55,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 08:12:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 08:12:55,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 08:12:55,218 INFO L87 Difference]: Start difference. First operand 216 states and 330 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:12:57,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:12:59,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:13:01,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:13:01,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 08:13:01,061 INFO L93 Difference]: Finished difference Result 871 states and 1334 transitions. [2024-11-06 08:13:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 08:13:01,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184 [2024-11-06 08:13:01,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 08:13:01,115 INFO L225 Difference]: With dead ends: 871 [2024-11-06 08:13:01,115 INFO L226 Difference]: Without dead ends: 712 [2024-11-06 08:13:01,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-06 08:13:01,118 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 451 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-06 08:13:01,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 721 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-06 08:13:01,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-06 08:13:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 389. [2024-11-06 08:13:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 243 states have (on average 1.2962962962962963) internal successors, (315), 243 states have internal predecessors, (315), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-06 08:13:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 595 transitions. [2024-11-06 08:13:01,215 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 595 transitions. Word has length 184 [2024-11-06 08:13:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 08:13:01,217 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 595 transitions. [2024-11-06 08:13:01,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:13:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 595 transitions. [2024-11-06 08:13:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-06 08:13:01,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 08:13:01,220 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 08:13:01,238 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 [2024-11-06 08:13:01,421 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 [2024-11-06 08:13:01,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 08:13:01,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 08:13:01,422 INFO L85 PathProgramCache]: Analyzing trace with hash -932588406, now seen corresponding path program 1 times [2024-11-06 08:13:01,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 08:13:01,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522069897] [2024-11-06 08:13:01,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 08:13:01,424 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 [2024-11-06 08:13:01,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 08:13:01,425 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) [2024-11-06 08:13:01,426 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 [2024-11-06 08:13:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 08:13:01,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 08:13:01,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 08:13:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-06 08:13:02,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 08:13:02,522 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 08:13:02,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522069897] [2024-11-06 08:13:02,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522069897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 08:13:02,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 08:13:02,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 08:13:02,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764685196] [2024-11-06 08:13:02,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 08:13:02,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 08:13:02,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 08:13:02,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 08:13:02,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 08:13:02,524 INFO L87 Difference]: Start difference. First operand 389 states and 595 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:13:04,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:13:06,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-06 08:13:06,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 08:13:06,251 INFO L93 Difference]: Finished difference Result 798 states and 1215 transitions. [2024-11-06 08:13:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 08:13:06,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184 [2024-11-06 08:13:06,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 08:13:06,296 INFO L225 Difference]: With dead ends: 798 [2024-11-06 08:13:06,296 INFO L226 Difference]: Without dead ends: 466 [2024-11-06 08:13:06,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 08:13:06,301 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 145 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-06 08:13:06,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 366 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-06 08:13:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-06 08:13:06,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 396. [2024-11-06 08:13:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 250 states have (on average 1.272) internal successors, (318), 250 states have internal predecessors, (318), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-06 08:13:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 598 transitions. [2024-11-06 08:13:06,357 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 598 transitions. Word has length 184 [2024-11-06 08:13:06,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 08:13:06,359 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 598 transitions. [2024-11-06 08:13:06,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-06 08:13:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 598 transitions. [2024-11-06 08:13:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-06 08:13:06,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 08:13:06,363 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 08:13:06,380 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 (5)] Ended with exit code 0 [2024-11-06 08:13:06,564 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 [2024-11-06 08:13:06,564 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 08:13:06,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 08:13:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1886656226, now seen corresponding path program 1 times [2024-11-06 08:13:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 08:13:06,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554846699] [2024-11-06 08:13:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 08:13:06,566 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 [2024-11-06 08:13:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 08:13:06,567 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) [2024-11-06 08:13:06,569 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 [2024-11-06 08:13:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 08:13:07,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-06 08:13:07,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 08:14:10,359 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)