/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-87.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 20:27:47,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 20:27:47,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 20:27:47,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 20:27:47,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 20:27:47,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 20:27:47,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 20:27:47,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 20:27:47,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 20:27:47,518 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 20:27:47,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 20:27:47,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 20:27:47,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 20:27:47,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 20:27:47,520 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 20:27:47,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 20:27:47,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 20:27:47,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 20:27:47,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 20:27:47,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 20:27:47,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 20:27:47,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 20:27:47,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 20:27:47,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 20:27:47,523 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 20:27:47,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 20:27:47,523 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 20:27:47,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 20:27:47,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 20:27:47,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 20:27:47,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 20:27:47,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 20:27:47,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 20:27:47,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 20:27:47,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 20:27:47,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 20:27:47,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 20:27:47,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 20:27:47,526 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 20:27:47,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 20:27:47,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 20:27:47,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 20:27:47,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 20:27:47,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 20:27:47,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 20:27:47,537 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 20:27:47,537 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 20:27:47,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 20:27:47,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 20:27:47,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 20:27:47,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 20:27:47,704 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 20:27:47,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-87.i [2023-12-22 20:27:48,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 20:27:48,997 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 20:27:48,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-87.i [2023-12-22 20:27:49,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da424ac6d/b654bd17aca745b7a0cbf54ba412b3c4/FLAGf8ac6c012 [2023-12-22 20:27:49,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da424ac6d/b654bd17aca745b7a0cbf54ba412b3c4 [2023-12-22 20:27:49,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 20:27:49,019 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 20:27:49,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 20:27:49,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 20:27:49,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 20:27:49,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d41768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49, skipping insertion in model container [2023-12-22 20:27:49,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 20:27:49,164 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-87.i[919,932] [2023-12-22 20:27:49,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 20:27:49,230 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 20:27:49,238 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-87.i[919,932] [2023-12-22 20:27:49,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 20:27:49,277 INFO L206 MainTranslator]: Completed translation [2023-12-22 20:27:49,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49 WrapperNode [2023-12-22 20:27:49,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 20:27:49,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 20:27:49,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 20:27:49,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 20:27:49,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,355 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2023-12-22 20:27:49,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 20:27:49,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 20:27:49,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 20:27:49,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 20:27:49,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,410 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-22 20:27:49,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 20:27:49,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 20:27:49,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 20:27:49,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 20:27:49,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (1/1) ... [2023-12-22 20:27:49,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 20:27:49,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 20:27:49,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-22 20:27:49,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-22 20:27:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 20:27:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 20:27:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-22 20:27:49,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-22 20:27:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 20:27:49,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 20:27:49,622 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 20:27:49,624 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 20:27:58,235 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 20:27:58,332 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 20:27:58,332 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 20:27:58,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:27:58 BoogieIcfgContainer [2023-12-22 20:27:58,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 20:27:58,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 20:27:58,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 20:27:58,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 20:27:58,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:27:49" (1/3) ... [2023-12-22 20:27:58,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0a11ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:27:58, skipping insertion in model container [2023-12-22 20:27:58,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:27:49" (2/3) ... [2023-12-22 20:27:58,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0a11ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:27:58, skipping insertion in model container [2023-12-22 20:27:58,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:27:58" (3/3) ... [2023-12-22 20:27:58,342 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-87.i [2023-12-22 20:27:58,370 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 20:27:58,370 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 20:27:58,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 20:27:58,476 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72ef2d50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 20:27:58,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 20:27:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-22 20:27:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-22 20:27:58,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 20:27:58,507 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 20:27:58,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 20:27:58,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 20:27:58,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1922153037, now seen corresponding path program 1 times [2023-12-22 20:27:58,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 20:27:58,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888205675] [2023-12-22 20:27:58,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 20:27:58,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 20:27:58,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 20:27:58,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 20:27:58,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-22 20:27:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 20:27:59,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 20:27:59,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 20:27:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1374 proven. 0 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2023-12-22 20:27:59,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 20:27:59,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 20:27:59,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888205675] [2023-12-22 20:27:59,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888205675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 20:27:59,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 20:27:59,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 20:27:59,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495767407] [2023-12-22 20:27:59,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 20:27:59,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 20:27:59,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 20:27:59,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 20:27:59,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 20:27:59,370 INFO L87 Difference]: Start difference. First operand has 86 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-22 20:28:03,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 20:28:03,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 20:28:03,607 INFO L93 Difference]: Finished difference Result 169 states and 310 transitions. [2023-12-22 20:28:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 20:28:03,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 235 [2023-12-22 20:28:03,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 20:28:03,679 INFO L225 Difference]: With dead ends: 169 [2023-12-22 20:28:03,679 INFO L226 Difference]: Without dead ends: 84 [2023-12-22 20:28:03,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 20:28:03,684 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-22 20:28:03,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-22 20:28:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-22 20:28:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-22 20:28:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 42 states have internal predecessors, (51), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-22 20:28:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 131 transitions. [2023-12-22 20:28:03,718 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 131 transitions. Word has length 235 [2023-12-22 20:28:03,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 20:28:03,718 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 131 transitions. [2023-12-22 20:28:03,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-22 20:28:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2023-12-22 20:28:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-22 20:28:03,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 20:28:03,722 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 20:28:03,739 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 [2023-12-22 20:28:03,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 20:28:03,937 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 20:28:03,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 20:28:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash -469877837, now seen corresponding path program 1 times [2023-12-22 20:28:03,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 20:28:03,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690210364] [2023-12-22 20:28:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 20:28:03,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 20:28:03,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 20:28:03,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 20:28:03,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-22 20:28:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 20:28:04,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-22 20:28:04,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 20:28:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1467 proven. 75 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-22 20:28:05,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 20:28:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 42 proven. 75 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-12-22 20:28:06,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 20:28:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690210364] [2023-12-22 20:28:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690210364] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 20:28:06,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 20:28:06,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-22 20:28:06,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13985427] [2023-12-22 20:28:06,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 20:28:06,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 20:28:06,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 20:28:06,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 20:28:06,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-22 20:28:06,919 INFO L87 Difference]: Start difference. First operand 84 states and 131 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-12-22 20:28:12,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 20:28:16,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 20:28:20,620 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 [] [2023-12-22 20:28:21,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 20:28:21,032 INFO L93 Difference]: Finished difference Result 197 states and 304 transitions. [2023-12-22 20:28:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-22 20:28:21,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 235 [2023-12-22 20:28:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 20:28:21,040 INFO L225 Difference]: With dead ends: 197 [2023-12-22 20:28:21,040 INFO L226 Difference]: Without dead ends: 114 [2023-12-22 20:28:21,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 461 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-22 20:28:21,045 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 162 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 193 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-12-22 20:28:21,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 211 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 310 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-12-22 20:28:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-22 20:28:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2023-12-22 20:28:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 53 states have internal predecessors, (59), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-22 20:28:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 167 transitions. [2023-12-22 20:28:21,078 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 167 transitions. Word has length 235 [2023-12-22 20:28:21,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 20:28:21,080 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 167 transitions. [2023-12-22 20:28:21,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-12-22 20:28:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2023-12-22 20:28:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-22 20:28:21,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 20:28:21,086 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 20:28:21,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-22 20:28:21,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 20:28:21,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 20:28:21,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 20:28:21,309 INFO L85 PathProgramCache]: Analyzing trace with hash -469937276, now seen corresponding path program 1 times [2023-12-22 20:28:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 20:28:21,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221611669] [2023-12-22 20:28:21,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 20:28:21,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 20:28:21,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 20:28:21,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 20:28:21,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-22 20:28:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 20:28:23,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-22 20:28:23,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 20:31:35,429 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:31:43,839 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:31:52,235 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:00,662 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:09,060 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:17,474 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:25,871 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:34,239 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:47,107 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:32:56,141 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:04,376 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:13,410 WARN L293 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:21,833 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:30,079 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:37,640 WARN L293 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:46,009 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:33:54,409 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:02,809 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:11,225 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:19,648 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:28,157 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:36,631 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:45,111 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:34:53,598 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:02,065 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:10,553 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:19,040 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:27,508 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:36,003 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:44,514 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:35:52,993 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:01,480 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:09,990 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:18,495 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:26,999 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:35,496 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:43,995 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:36:52,505 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:01,018 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:09,513 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:18,002 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:26,482 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:34,965 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:43,458 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:37:51,942 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:00,425 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:08,908 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:17,383 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:25,828 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:34,293 WARN L293 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:43,044 WARN L293 SmtUtils]: Spent 8.75s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:51,503 WARN L293 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:38:59,986 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:08,463 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:16,917 WARN L293 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:25,460 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:33,967 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:42,510 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:51,023 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:39:59,539 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:08,049 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:16,562 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:25,091 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:33,571 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:42,065 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:50,561 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:40:54,719 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (fp.neg .cse2)) (.cse24 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 (fp.neg .cse3)) (.cse6 (fp.neg .cse5)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse21 ((_ to_fp 11 53) c_currentRoundingMode .cse24)) (.cse22 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse24)))) (and (bvsge c_~var_1_7~0 (_ bv0 32)) (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (not (= ((_ sign_extend 16) c_~var_1_17~0) (_ bv0 32))) (bvsge c_~var_1_20~0 (_ bv0 32)) (fp.leq c_~var_1_15~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.geq c_~var_1_14~0 .cse4) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_27~0 .cse5) (fp.geq c_~var_1_27~0 .cse2)) (and (fp.leq c_~var_1_27~0 .cse0) (fp.geq c_~var_1_27~0 .cse6))) (bvsle c_~var_1_20~0 (_ bv1073741823 32)) (let ((.cse15 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_25~0)) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0))) (let ((.cse8 (fp.gt .cse15 .cse11)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_27~0 c_~var_1_28~0)))) (let ((.cse9 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse15 .cse12)) c_~var_1_24~0)) (.cse10 (not .cse8)) (.cse7 (fp.gt c_~var_1_15~0 .cse11))) (or (and (not .cse7) (or (and .cse8 .cse9) (and .cse10 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse11 .cse12)) c_~var_1_24~0)))) (and (let ((.cse13 (fp.gt c_~var_1_15~0 .cse15)) (.cse14 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_15~0 .cse12)) c_~var_1_24~0))) (or (and (or (and .cse13 .cse14) (and .cse9 (not .cse13))) .cse8) (and .cse13 .cse10 .cse14))) .cse7))))) (or (and (fp.geq c_~var_1_28~0 .cse2) (fp.leq c_~var_1_28~0 .cse5)) (and (fp.geq c_~var_1_28~0 .cse6) (fp.leq c_~var_1_28~0 .cse0))) (fp.geq c_~var_1_15~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_10~0) (_ bv1 32)) (bvsle c_~var_1_19~0 (_ bv1073741823 32)) (let ((.cse19 (fp.sub c_currentRoundingMode c_~var_1_14~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 5864780816028210200.0) c_~var_1_15~0)))) (let ((.cse16 (fp.gt c_~var_1_12~0 c_~var_1_13~0)) (.cse18 (= c_~var_1_11~0 .cse19))) (or (and (not .cse16) (let ((.cse17 (fp.gt c_~var_1_13~0 .cse19))) (or (and .cse17 (= c_~var_1_11~0 c_~var_1_13~0)) (and (not .cse17) .cse18)))) (and .cse16 (let ((.cse20 (fp.gt c_~var_1_12~0 .cse19))) (or (and .cse20 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse20) .cse18))))))) (fp.geq c_~var_1_22~0 .cse4) (fp.leq c_~var_1_22~0 .cse21) (bvsge c_~var_1_19~0 (_ bv0 32)) (= (_ bv1 8) c_~var_1_1~0) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0)) (fp.leq c_~var_1_14~0 .cse21) (bvsge c_~var_1_2~0 (_ bv4294967295 32)) (or (and (fp.leq c_~var_1_12~0 .cse22) (fp.geq c_~var_1_12~0 .cse23)) (and (fp.geq c_~var_1_12~0 .cse4) (fp.leq c_~var_1_12~0 .cse21))) (= c_currentRoundingMode roundNearestTiesToEven) (or (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse21)) (and (fp.leq c_~var_1_13~0 .cse22) (fp.geq c_~var_1_13~0 .cse23))))))) is different from false [2023-12-22 20:40:58,847 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (fp.neg .cse2)) (.cse24 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 (fp.neg .cse3)) (.cse6 (fp.neg .cse5)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse21 ((_ to_fp 11 53) c_currentRoundingMode .cse24)) (.cse22 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse24)))) (and (bvsge c_~var_1_7~0 (_ bv0 32)) (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (not (= ((_ sign_extend 16) c_~var_1_17~0) (_ bv0 32))) (bvsge c_~var_1_20~0 (_ bv0 32)) (fp.leq c_~var_1_15~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (fp.geq c_~var_1_14~0 .cse4) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_27~0 .cse5) (fp.geq c_~var_1_27~0 .cse2)) (and (fp.leq c_~var_1_27~0 .cse0) (fp.geq c_~var_1_27~0 .cse6))) (bvsle c_~var_1_20~0 (_ bv1073741823 32)) (let ((.cse15 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_25~0)) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0))) (let ((.cse8 (fp.gt .cse15 .cse11)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_27~0 c_~var_1_28~0)))) (let ((.cse9 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse15 .cse12)) c_~var_1_24~0)) (.cse10 (not .cse8)) (.cse7 (fp.gt c_~var_1_15~0 .cse11))) (or (and (not .cse7) (or (and .cse8 .cse9) (and .cse10 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse11 .cse12)) c_~var_1_24~0)))) (and (let ((.cse13 (fp.gt c_~var_1_15~0 .cse15)) (.cse14 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_15~0 .cse12)) c_~var_1_24~0))) (or (and (or (and .cse13 .cse14) (and .cse9 (not .cse13))) .cse8) (and .cse13 .cse10 .cse14))) .cse7))))) (or (and (fp.geq c_~var_1_28~0 .cse2) (fp.leq c_~var_1_28~0 .cse5)) (and (fp.geq c_~var_1_28~0 .cse6) (fp.leq c_~var_1_28~0 .cse0))) (fp.geq c_~var_1_15~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_10~0) (_ bv1 32)) (bvsle c_~var_1_19~0 (_ bv1073741823 32)) (let ((.cse19 (fp.sub c_currentRoundingMode c_~var_1_14~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 5864780816028210200.0) c_~var_1_15~0)))) (let ((.cse16 (fp.gt c_~var_1_12~0 c_~var_1_13~0)) (.cse18 (= c_~var_1_11~0 .cse19))) (or (and (not .cse16) (let ((.cse17 (fp.gt c_~var_1_13~0 .cse19))) (or (and .cse17 (= c_~var_1_11~0 c_~var_1_13~0)) (and (not .cse17) .cse18)))) (and .cse16 (let ((.cse20 (fp.gt c_~var_1_12~0 .cse19))) (or (and .cse20 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse20) .cse18))))))) (fp.geq c_~var_1_22~0 .cse4) (fp.leq c_~var_1_22~0 .cse21) (bvsge c_~var_1_19~0 (_ bv0 32)) (= (_ bv1 8) c_~var_1_1~0) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0)) (fp.leq c_~var_1_14~0 .cse21) (bvsge c_~var_1_2~0 (_ bv4294967295 32)) (or (and (fp.leq c_~var_1_12~0 .cse22) (fp.geq c_~var_1_12~0 .cse23)) (and (fp.geq c_~var_1_12~0 .cse4) (fp.leq c_~var_1_12~0 .cse21))) (= c_currentRoundingMode roundNearestTiesToEven) (or (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse21)) (and (fp.leq c_~var_1_13~0 .cse22) (fp.geq c_~var_1_13~0 .cse23))))))) is different from true [2023-12-22 20:41:07,427 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:41:15,931 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:41:24,456 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:41:32,986 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:41:41,527 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:41:50,078 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:41:58,596 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:42:07,135 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:42:15,682 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:42:24,208 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 20:42:32,717 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-22 20:42:35,553 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-22 20:42:35,575 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-22 20:42:36,587 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 [2023-12-22 20:42:36,787 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-22 20:42:36,835 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 20:42:36,835 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 237 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-22 20:42:36,841 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-22 20:42:36,844 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 20:42:36,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 08:42:36 BoogieIcfgContainer [2023-12-22 20:42:36,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 20:42:36,846 INFO L158 Benchmark]: Toolchain (without parser) took 887826.41ms. Allocated memory is still 318.8MB. Free memory was 255.3MB in the beginning and 119.8MB in the end (delta: 135.5MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB. [2023-12-22 20:42:36,846 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory was 129.4MB in the beginning and 129.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 20:42:36,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.31ms. Allocated memory is still 318.8MB. Free memory was 254.8MB in the beginning and 239.5MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-22 20:42:36,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.35ms. Allocated memory is still 318.8MB. Free memory was 239.5MB in the beginning and 236.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-22 20:42:36,846 INFO L158 Benchmark]: Boogie Preprocessor took 93.01ms. Allocated memory is still 318.8MB. Free memory was 236.9MB in the beginning and 233.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-22 20:42:36,847 INFO L158 Benchmark]: RCFGBuilder took 8883.11ms. Allocated memory is still 318.8MB. Free memory was 233.3MB in the beginning and 206.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-22 20:42:36,847 INFO L158 Benchmark]: TraceAbstraction took 878511.45ms. Allocated memory is still 318.8MB. Free memory was 206.0MB in the beginning and 119.8MB in the end (delta: 86.2MB). Peak memory consumption was 86.7MB. Max. memory is 8.0GB. [2023-12-22 20:42:36,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-12-22 20:42:36,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory was 129.4MB in the beginning and 129.2MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 257.31ms. Allocated memory is still 318.8MB. Free memory was 254.8MB in the beginning and 239.5MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.35ms. Allocated memory is still 318.8MB. Free memory was 239.5MB in the beginning and 236.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.01ms. Allocated memory is still 318.8MB. Free memory was 236.9MB in the beginning and 233.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 8883.11ms. Allocated memory is still 318.8MB. Free memory was 233.3MB in the beginning and 206.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 878511.45ms. Allocated memory is still 318.8MB. Free memory was 206.0MB in the beginning and 119.8MB in the end (delta: 86.2MB). Peak memory consumption was 86.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 237 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 878.4s, OverallIterations: 3, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 18.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 339 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 233 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 695 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 470 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1310 SizeOfPredicates, 8 NumberOfNonLiveVariables, 742 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 9210/9360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown