/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_fillercode_fillercodestructure_filler-pe-ci_file-26.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 07:07:11,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 07:07:11,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 07:07:11,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 07:07:11,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 07:07:11,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 07:07:11,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 07:07:11,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 07:07:11,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 07:07:11,364 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 07:07:11,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 07:07:11,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 07:07:11,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 07:07:11,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 07:07:11,365 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 07:07:11,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 07:07:11,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 07:07:11,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 07:07:11,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 07:07:11,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 07:07:11,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 07:07:11,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 07:07:11,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 07:07:11,368 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 07:07:11,368 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 07:07:11,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 07:07:11,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 07:07:11,368 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 07:07:11,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 07:07:11,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 07:07:11,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 07:07:11,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 07:07:11,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 07:07:11,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 07:07:11,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 07:07:11,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 07:07:11,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 07:07:11,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 07:07:11,371 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 07:07:11,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 07:07:11,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 07:07:11,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 07:07:11,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 07:07:11,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 07:07:11,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 07:07:11,372 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 07:07:11,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 07:07:11,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 07:07:11,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 07:07:11,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 07:07:11,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 07:07:11,547 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 07:07:11,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-26.i [2023-12-23 07:07:12,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 07:07:12,797 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 07:07:12,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-26.i [2023-12-23 07:07:12,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8c7cba5/6b0194fb16f244d6b4bb31fae1c0b07b/FLAGa612ab68b [2023-12-23 07:07:12,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb8c7cba5/6b0194fb16f244d6b4bb31fae1c0b07b [2023-12-23 07:07:12,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 07:07:12,823 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 07:07:12,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 07:07:12,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 07:07:12,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 07:07:12,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:07:12" (1/1) ... [2023-12-23 07:07:12,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb973e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:12, skipping insertion in model container [2023-12-23 07:07:12,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:07:12" (1/1) ... [2023-12-23 07:07:12,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 07:07:13,035 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_fillercode_fillercodestructure_filler-pe-ci_file-26.i[919,932] [2023-12-23 07:07:13,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 07:07:13,202 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 07:07:13,224 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_fillercode_fillercodestructure_filler-pe-ci_file-26.i[919,932] [2023-12-23 07:07:13,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 07:07:13,316 INFO L206 MainTranslator]: Completed translation [2023-12-23 07:07:13,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13 WrapperNode [2023-12-23 07:07:13,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 07:07:13,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 07:07:13,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 07:07:13,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 07:07:13,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,401 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-12-23 07:07:13,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 07:07:13,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 07:07:13,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 07:07:13,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 07:07:13,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,449 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]. [2023-12-23 07:07:13,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 07:07:13,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 07:07:13,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 07:07:13,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 07:07:13,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (1/1) ... [2023-12-23 07:07:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 07:07:13,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 07:07:13,547 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) [2023-12-23 07:07:13,552 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 [2023-12-23 07:07:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 07:07:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 07:07:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 07:07:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 07:07:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 07:07:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 07:07:13,629 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 07:07:13,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 07:07:27,252 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 07:07:27,291 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 07:07:27,291 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 07:07:27,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:07:27 BoogieIcfgContainer [2023-12-23 07:07:27,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 07:07:27,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 07:07:27,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 07:07:27,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 07:07:27,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:07:12" (1/3) ... [2023-12-23 07:07:27,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a3ab16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:07:27, skipping insertion in model container [2023-12-23 07:07:27,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:07:13" (2/3) ... [2023-12-23 07:07:27,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a3ab16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:07:27, skipping insertion in model container [2023-12-23 07:07:27,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:07:27" (3/3) ... [2023-12-23 07:07:27,298 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-26.i [2023-12-23 07:07:27,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 07:07:27,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 07:07:27,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 07:07:27,359 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;@3c05649, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 07:07:27,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 07:07:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 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) [2023-12-23 07:07:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 07:07:27,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:07:27,377 INFO L195 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] [2023-12-23 07:07:27,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:07:27,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:07:27,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1690999943, now seen corresponding path program 1 times [2023-12-23 07:07:27,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:07:27,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160315398] [2023-12-23 07:07:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:07:27,398 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 [2023-12-23 07:07:27,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:07:27,440 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) [2023-12-23 07:07:27,444 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 [2023-12-23 07:07:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:07:28,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 07:07:28,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:07:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-23 07:07:28,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 07:07:28,435 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:07:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160315398] [2023-12-23 07:07:28,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160315398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 07:07:28,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 07:07:28,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 07:07:28,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862751368] [2023-12-23 07:07:28,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 07:07:28,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 07:07:28,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:07:28,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 07:07:28,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 07:07:28,461 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 52 states have internal predecessors, (79), 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 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2023-12-23 07:07:33,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:07:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:07:33,196 INFO L93 Difference]: Finished difference Result 161 states and 296 transitions. [2023-12-23 07:07:33,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 07:07:33,456 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 176 [2023-12-23 07:07:33,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:07:33,462 INFO L225 Difference]: With dead ends: 161 [2023-12-23 07:07:33,462 INFO L226 Difference]: Without dead ends: 80 [2023-12-23 07:07:33,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 07:07:33,467 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-23 07:07:33,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-23 07:07:33,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-23 07:07:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-23 07:07:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 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) [2023-12-23 07:07:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 128 transitions. [2023-12-23 07:07:33,500 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 128 transitions. Word has length 176 [2023-12-23 07:07:33,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:07:33,502 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 128 transitions. [2023-12-23 07:07:33,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2023-12-23 07:07:33,502 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 128 transitions. [2023-12-23 07:07:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 07:07:33,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:07:33,505 INFO L195 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] [2023-12-23 07:07:33,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 07:07:33,725 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 [2023-12-23 07:07:33,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:07:33,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:07:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1010941573, now seen corresponding path program 1 times [2023-12-23 07:07:33,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:07:33,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257985094] [2023-12-23 07:07:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:07:33,728 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 [2023-12-23 07:07:33,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:07:33,729 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) [2023-12-23 07:07:33,730 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 [2023-12-23 07:07:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:07:34,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 07:07:34,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:07:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2023-12-23 07:07:37,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 07:07:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-23 07:07:37,677 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:07:37,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257985094] [2023-12-23 07:07:37,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257985094] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-23 07:07:37,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 07:07:37,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2023-12-23 07:07:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903983978] [2023-12-23 07:07:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 07:07:37,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 07:07:37,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:07:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 07:07:37,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-23 07:07:37,680 INFO L87 Difference]: Start difference. First operand 80 states and 128 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-12-23 07:07:43,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:07:47,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:07:51,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:07:55,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:07:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:07:55,653 INFO L93 Difference]: Finished difference Result 194 states and 310 transitions. [2023-12-23 07:07:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 07:07:55,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 176 [2023-12-23 07:07:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:07:55,658 INFO L225 Difference]: With dead ends: 194 [2023-12-23 07:07:55,658 INFO L226 Difference]: Without dead ends: 115 [2023-12-23 07:07:55,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-23 07:07:55,660 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 79 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2023-12-23 07:07:55,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 294 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2023-12-23 07:07:55,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-23 07:07:55,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2023-12-23 07:07:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 79 states have internal predecessors, (114), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-23 07:07:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 176 transitions. [2023-12-23 07:07:55,676 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 176 transitions. Word has length 176 [2023-12-23 07:07:55,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:07:55,676 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 176 transitions. [2023-12-23 07:07:55,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-12-23 07:07:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2023-12-23 07:07:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-23 07:07:55,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:07:55,679 INFO L195 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] [2023-12-23 07:07:55,700 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 [2023-12-23 07:07:55,892 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 [2023-12-23 07:07:55,897 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:07:55,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:07:55,897 INFO L85 PathProgramCache]: Analyzing trace with hash -339213875, now seen corresponding path program 1 times [2023-12-23 07:07:55,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:07:55,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101900942] [2023-12-23 07:07:55,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:07:55,899 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 [2023-12-23 07:07:55,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:07:55,900 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) [2023-12-23 07:07:55,911 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 [2023-12-23 07:07:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:07:56,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 07:07:56,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:07:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2023-12-23 07:07:59,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 07:07:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-23 07:07:59,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:07:59,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101900942] [2023-12-23 07:07:59,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101900942] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-23 07:07:59,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 07:07:59,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-23 07:07:59,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158344699] [2023-12-23 07:07:59,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 07:07:59,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 07:07:59,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:07:59,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 07:07:59,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-23 07:07:59,580 INFO L87 Difference]: Start difference. First operand 112 states and 176 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-12-23 07:08:05,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:09,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:14,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:18,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:22,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:22,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:08:22,788 INFO L93 Difference]: Finished difference Result 230 states and 356 transitions. [2023-12-23 07:08:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 07:08:22,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 177 [2023-12-23 07:08:22,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:08:22,790 INFO L225 Difference]: With dead ends: 230 [2023-12-23 07:08:22,790 INFO L226 Difference]: Without dead ends: 119 [2023-12-23 07:08:22,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-23 07:08:22,792 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 84 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2023-12-23 07:08:22,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 360 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 5 Unknown, 0 Unchecked, 23.1s Time] [2023-12-23 07:08:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-23 07:08:22,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 105. [2023-12-23 07:08:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 07:08:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 160 transitions. [2023-12-23 07:08:22,800 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 160 transitions. Word has length 177 [2023-12-23 07:08:22,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:08:22,800 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 160 transitions. [2023-12-23 07:08:22,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2023-12-23 07:08:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2023-12-23 07:08:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-23 07:08:22,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:08:22,802 INFO L195 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] [2023-12-23 07:08:22,822 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 [2023-12-23 07:08:23,016 WARN L477 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 [2023-12-23 07:08:23,016 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:08:23,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:08:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash 387314815, now seen corresponding path program 1 times [2023-12-23 07:08:23,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:08:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395235963] [2023-12-23 07:08:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:08:23,018 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 [2023-12-23 07:08:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:08:23,020 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) [2023-12-23 07:08:23,045 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 [2023-12-23 07:08:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:08:23,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 07:08:23,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:08:24,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 363 proven. 9 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2023-12-23 07:08:24,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 07:08:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 72 proven. 9 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-23 07:08:25,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:08:25,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395235963] [2023-12-23 07:08:25,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395235963] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 07:08:25,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 07:08:25,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-23 07:08:25,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084809970] [2023-12-23 07:08:25,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 07:08:25,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 07:08:25,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:08:25,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 07:08:25,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 07:08:25,249 INFO L87 Difference]: Start difference. First operand 105 states and 160 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 07:08:31,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:35,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:39,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:08:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:08:41,289 INFO L93 Difference]: Finished difference Result 263 states and 395 transitions. [2023-12-23 07:08:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 07:08:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 177 [2023-12-23 07:08:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:08:41,292 INFO L225 Difference]: With dead ends: 263 [2023-12-23 07:08:41,292 INFO L226 Difference]: Without dead ends: 159 [2023-12-23 07:08:41,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-23 07:08:41,293 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 121 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 56 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-12-23 07:08:41,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 292 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 320 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2023-12-23 07:08:41,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-12-23 07:08:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 150. [2023-12-23 07:08:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 94 states have internal predecessors, (121), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-23 07:08:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 225 transitions. [2023-12-23 07:08:41,303 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 225 transitions. Word has length 177 [2023-12-23 07:08:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:08:41,303 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 225 transitions. [2023-12-23 07:08:41,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 07:08:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 225 transitions. [2023-12-23 07:08:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-23 07:08:41,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:08:41,305 INFO L195 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] [2023-12-23 07:08:41,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 07:08:41,519 WARN L477 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 [2023-12-23 07:08:41,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:08:41,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:08:41,520 INFO L85 PathProgramCache]: Analyzing trace with hash -893704913, now seen corresponding path program 1 times [2023-12-23 07:08:41,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:08:41,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806464090] [2023-12-23 07:08:41,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:08:41,521 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 [2023-12-23 07:08:41,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:08:41,522 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) [2023-12-23 07:08:41,548 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 [2023-12-23 07:08:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:08:42,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-23 07:08:42,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:09:13,506 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 07:09:22,400 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:09:31,313 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:09:40,208 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:09:54,881 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:10:03,792 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:10:12,702 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:10:21,595 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:10:30,591 WARN L293 SmtUtils]: Spent 9.00s 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) [2023-12-23 07:10:39,501 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:10:48,400 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-23 07:11:04,866 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:11:13,791 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:11:22,690 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-23 07:11:31,617 WARN L293 SmtUtils]: Spent 8.93s 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) [2023-12-23 07:11:40,540 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:11:49,454 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:11:58,359 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-23 07:12:07,292 WARN L293 SmtUtils]: Spent 8.93s 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) [2023-12-23 07:12:16,217 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:12:25,143 WARN L293 SmtUtils]: Spent 8.93s 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) [2023-12-23 07:12:34,084 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:12:43,009 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:12:47,277 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse5 (= (_ bv2 16) c_~var_1_25~0)) (.cse0 (bvsgt .cse3 (_ bv2 32)))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and .cse5 (not .cse4)))))) (and .cse5 (not .cse0))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse6) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 07:12:51,541 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse5 (= (_ bv2 16) c_~var_1_25~0)) (.cse0 (bvsgt .cse3 (_ bv2 32)))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and .cse5 (not .cse4)))))) (and .cse5 (not .cse0))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse6) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 07:13:00,101 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 07:13:09,055 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:13:17,978 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:13:23,626 WARN L293 SmtUtils]: Spent 5.65s 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) [2023-12-23 07:13:32,575 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:13:41,517 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:13:50,457 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:13:59,379 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:14:08,287 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:14:17,222 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:14:26,134 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:14:35,055 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:14:43,949 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:14:52,863 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:15:01,757 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:15:10,646 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:15:19,545 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-23 07:15:28,430 WARN L293 SmtUtils]: Spent 8.88s 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) [2023-12-23 07:15:37,333 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-23 07:15:46,229 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:15:55,139 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:16:04,040 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-23 07:16:12,933 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-23 07:16:21,495 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 07:16:30,452 WARN L293 SmtUtils]: Spent 8.96s 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) [2023-12-23 07:16:39,404 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:16:48,375 WARN L293 SmtUtils]: Spent 8.97s 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) [2023-12-23 07:16:57,324 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:17:06,297 WARN L293 SmtUtils]: Spent 8.97s 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) [2023-12-23 07:17:15,263 WARN L293 SmtUtils]: Spent 8.97s 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) [2023-12-23 07:17:24,201 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:17:33,119 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 07:17:42,071 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:17:51,033 WARN L293 SmtUtils]: Spent 8.96s 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) [2023-12-23 07:18:00,001 WARN L293 SmtUtils]: Spent 8.97s 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) [2023-12-23 07:18:09,032 WARN L293 SmtUtils]: Spent 9.03s 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) [2023-12-23 07:18:17,986 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:18:26,978 WARN L293 SmtUtils]: Spent 8.99s 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) [2023-12-23 07:18:35,945 WARN L293 SmtUtils]: Spent 8.97s 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) [2023-12-23 07:18:45,076 WARN L293 SmtUtils]: Spent 9.13s 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) [2023-12-23 07:18:54,026 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:19:02,956 WARN L293 SmtUtils]: Spent 8.93s 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) [2023-12-23 07:19:11,913 WARN L293 SmtUtils]: Spent 8.96s 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) [2023-12-23 07:19:20,857 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:19:29,859 WARN L293 SmtUtils]: Spent 9.00s 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) [2023-12-23 07:19:38,852 WARN L293 SmtUtils]: Spent 8.99s 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) [2023-12-23 07:19:47,836 WARN L293 SmtUtils]: Spent 8.98s 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) [2023-12-23 07:19:56,794 WARN L293 SmtUtils]: Spent 8.96s 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) [2023-12-23 07:20:05,789 WARN L293 SmtUtils]: Spent 8.99s 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) [2023-12-23 07:20:14,612 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (let ((.cse2 ((_ zero_extend 16) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse0 (bvslt .cse2 .cse1))) (or (and .cse0 (= c_~var_1_1~0 (bvadd .cse1 .cse2))) (and (= c_~var_1_1~0 (bvmul .cse1 (_ bv2 32))) (not .cse0))))) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse6 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse8 (= (_ bv2 16) c_~var_1_25~0)) (.cse3 (bvsgt .cse6 (_ bv2 32)))) (or (and .cse3 (let ((.cse4 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse7 (bvsgt .cse4 (_ bv2 32)))) (or (and (let ((.cse5 (bvslt .cse4 .cse6))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse4)) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse6) c_~var_1_25~0)))) .cse7) (and .cse8 (not .cse7)))))) (and .cse8 (not .cse3))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse9) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 07:20:18,889 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (let ((.cse2 ((_ zero_extend 16) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse0 (bvslt .cse2 .cse1))) (or (and .cse0 (= c_~var_1_1~0 (bvadd .cse1 .cse2))) (and (= c_~var_1_1~0 (bvmul .cse1 (_ bv2 32))) (not .cse0))))) (= c_~var_1_22~0 c_~var_1_24~0) (let ((.cse6 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse8 (= (_ bv2 16) c_~var_1_25~0)) (.cse3 (bvsgt .cse6 (_ bv2 32)))) (or (and .cse3 (let ((.cse4 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse7 (bvsgt .cse4 (_ bv2 32)))) (or (and (let ((.cse5 (bvslt .cse4 .cse6))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse4)) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse6) c_~var_1_25~0)))) .cse7) (and .cse8 (not .cse7)))))) (and .cse8 (not .cse3))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse9) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 07:20:27,422 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 07:20:36,337 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:20:45,247 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:20:54,184 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:21:03,203 WARN L293 SmtUtils]: Spent 9.02s 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) [2023-12-23 07:21:12,116 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 07:21:21,056 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-23 07:21:30,023 WARN L293 SmtUtils]: Spent 8.97s 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) [2023-12-23 07:21:38,953 WARN L293 SmtUtils]: Spent 8.93s 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) [2023-12-23 07:21:47,904 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 07:21:56,834 WARN L293 SmtUtils]: Spent 8.93s 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... [2023-12-23 07:22:00,074 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 07:22:00,090 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 [2023-12-23 07:22:01,095 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 (6)] Forceful destruction successful, exit code 0 [2023-12-23 07:22:01,291 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 [2023-12-23 07:22:01,370 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 [2023-12-23 07:22:01,370 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 07:22:01,371 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 179 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 07:22:01,374 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-23 07:22:01,376 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 07:22:01,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:22:01 BoogieIcfgContainer [2023-12-23 07:22:01,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 07:22:01,377 INFO L158 Benchmark]: Toolchain (without parser) took 888554.44ms. Allocated memory is still 240.1MB. Free memory was 188.8MB in the beginning and 71.8MB in the end (delta: 117.0MB). Peak memory consumption was 117.4MB. Max. memory is 8.0GB. [2023-12-23 07:22:01,378 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 168.8MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 07:22:01,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.87ms. Allocated memory is still 240.1MB. Free memory was 188.5MB in the beginning and 172.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 07:22:01,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.37ms. Allocated memory is still 240.1MB. Free memory was 172.1MB in the beginning and 169.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 07:22:01,378 INFO L158 Benchmark]: Boogie Preprocessor took 81.07ms. Allocated memory is still 240.1MB. Free memory was 169.6MB in the beginning and 165.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 07:22:01,378 INFO L158 Benchmark]: RCFGBuilder took 13808.71ms. Allocated memory is still 240.1MB. Free memory was 165.8MB in the beginning and 198.7MB in the end (delta: -32.9MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. [2023-12-23 07:22:01,378 INFO L158 Benchmark]: TraceAbstraction took 874083.66ms. Allocated memory is still 240.1MB. Free memory was 197.7MB in the beginning and 71.8MB in the end (delta: 125.8MB). Peak memory consumption was 125.8MB. Max. memory is 8.0GB. [2023-12-23 07:22:01,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 168.8MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 494.87ms. Allocated memory is still 240.1MB. Free memory was 188.5MB in the beginning and 172.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 80.37ms. Allocated memory is still 240.1MB. Free memory was 172.1MB in the beginning and 169.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.07ms. Allocated memory is still 240.1MB. Free memory was 169.6MB in the beginning and 165.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 13808.71ms. Allocated memory is still 240.1MB. Free memory was 165.8MB in the beginning and 198.7MB in the end (delta: -32.9MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. * TraceAbstraction took 874083.66ms. Allocated memory is still 240.1MB. Free memory was 197.7MB in the beginning and 71.8MB in the end (delta: 125.8MB). Peak memory consumption was 125.8MB. 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 179 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 874.0s, OverallIterations: 5, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 62.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 61.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 284 mSDsluCounter, 1071 SdHoareTripleChecker+Invalid, 60.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 575 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 382 IncrementalHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 496 mSDtfsCounter, 382 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1234 GetRequests, 1210 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 706 NumberOfCodeBlocks, 706 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1229 ConstructedInterpolants, 0 QuantifiedInterpolants, 2303 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1204 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 10428/10584 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