/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_floatingpointinfluence_has-floats_file-4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 18:41:58,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 18:41:58,826 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 18:41:58,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 18:41:58,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 18:41:58,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 18:41:58,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 18:41:58,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 18:41:58,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 18:41:58,860 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 18:41:58,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 18:41:58,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 18:41:58,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 18:41:58,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 18:41:58,861 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 18:41:58,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 18:41:58,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 18:41:58,862 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 18:41:58,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 18:41:58,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 18:41:58,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 18:41:58,863 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 18:41:58,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 18:41:58,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 18:41:58,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 18:41:58,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 18:41:58,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 18:41:58,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 18:41:58,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 18:41:58,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 18:41:58,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 18:41:58,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 18:41:58,866 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 18:41:58,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 18:41:58,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 18:41:58,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 18:41:58,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 18:41:58,867 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 18:41:58,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 18:41:58,867 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 18:41:58,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 18:41:59,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 18:41:59,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 18:41:59,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 18:41:59,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 18:41:59,033 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 18:41:59,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2023-12-23 18:42:00,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 18:42:00,228 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 18:42:00,228 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-4.i [2023-12-23 18:42:00,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b166bad/7ef9ebab05924c7189550500b77ffad8/FLAG2bbcbc43d [2023-12-23 18:42:00,246 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b166bad/7ef9ebab05924c7189550500b77ffad8 [2023-12-23 18:42:00,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 18:42:00,249 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 18:42:00,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 18:42:00,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 18:42:00,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 18:42:00,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61cef228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00, skipping insertion in model container [2023-12-23 18:42:00,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 18:42:00,361 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_floatingpointinfluence_has-floats_file-4.i[916,929] [2023-12-23 18:42:00,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 18:42:00,396 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 18:42:00,405 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_floatingpointinfluence_has-floats_file-4.i[916,929] [2023-12-23 18:42:00,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 18:42:00,438 INFO L206 MainTranslator]: Completed translation [2023-12-23 18:42:00,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00 WrapperNode [2023-12-23 18:42:00,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 18:42:00,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 18:42:00,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 18:42:00,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 18:42:00,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,470 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-12-23 18:42:00,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 18:42:00,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 18:42:00,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 18:42:00,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 18:42:00,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,490 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 18:42:00,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 18:42:00,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 18:42:00,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 18:42:00,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 18:42:00,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (1/1) ... [2023-12-23 18:42:00,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 18:42:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 18:42:00,562 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 18:42:00,602 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 18:42:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 18:42:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 18:42:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 18:42:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 18:42:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 18:42:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 18:42:00,670 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 18:42:00,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 18:42:12,667 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 18:42:12,710 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 18:42:12,710 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 18:42:12,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:42:12 BoogieIcfgContainer [2023-12-23 18:42:12,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 18:42:12,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 18:42:12,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 18:42:12,714 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 18:42:12,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:42:00" (1/3) ... [2023-12-23 18:42:12,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4255b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:42:12, skipping insertion in model container [2023-12-23 18:42:12,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:42:00" (2/3) ... [2023-12-23 18:42:12,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4255b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:42:12, skipping insertion in model container [2023-12-23 18:42:12,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:42:12" (3/3) ... [2023-12-23 18:42:12,716 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-4.i [2023-12-23 18:42:12,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 18:42:12,731 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 18:42:12,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 18:42:12,768 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;@1dad560d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 18:42:12,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 18:42:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-23 18:42:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-23 18:42:12,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 18:42:12,783 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:12,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 18:42:12,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 18:42:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1503126613, now seen corresponding path program 1 times [2023-12-23 18:42:12,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 18:42:12,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610463767] [2023-12-23 18:42:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 18:42:12,798 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 18:42:12,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 18:42:12,813 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 18:42:12,814 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 18:42:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 18:42:13,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 18:42:13,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 18:42:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-23 18:42:13,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 18:42:13,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 18:42:13,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610463767] [2023-12-23 18:42:13,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610463767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 18:42:13,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 18:42:13,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 18:42:13,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156296458] [2023-12-23 18:42:13,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 18:42:13,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 18:42:13,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 18:42:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 18:42:13,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 18:42:13,394 INFO L87 Difference]: Start difference. First operand has 41 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-23 18:42:17,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 18:42:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 18:42:17,636 INFO L93 Difference]: Finished difference Result 79 states and 137 transitions. [2023-12-23 18:42:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 18:42:17,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2023-12-23 18:42:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 18:42:17,716 INFO L225 Difference]: With dead ends: 79 [2023-12-23 18:42:17,716 INFO L226 Difference]: Without dead ends: 39 [2023-12-23 18:42:17,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 18:42:17,722 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-23 18:42:17,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-23 18:42:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-23 18:42:17,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-12-23 18:42:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-23 18:42:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-12-23 18:42:17,751 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 92 [2023-12-23 18:42:17,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 18:42:17,752 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-12-23 18:42:17,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-23 18:42:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-12-23 18:42:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-23 18:42:17,756 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 18:42:17,756 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:17,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 18:42:17,969 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 18:42:17,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 18:42:17,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 18:42:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1725184271, now seen corresponding path program 1 times [2023-12-23 18:42:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 18:42:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104473514] [2023-12-23 18:42:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 18:42:17,971 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 18:42:17,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 18:42:17,972 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 18:42:17,975 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 18:42:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 18:42:18,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-23 18:42:18,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 18:42:28,998 WARN L293 SmtUtils]: Spent 8.39s 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 18:42:37,081 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:42:45,485 WARN L293 SmtUtils]: Spent 8.40s 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 18:42:53,891 WARN L293 SmtUtils]: Spent 8.40s 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 18:43:02,061 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:43:10,502 WARN L293 SmtUtils]: Spent 8.44s 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 18:43:18,907 WARN L293 SmtUtils]: Spent 8.40s 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 18:43:27,324 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:43:35,732 WARN L293 SmtUtils]: Spent 8.41s 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 18:43:44,149 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:43:52,554 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:01,349 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:09,759 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:18,181 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:22,300 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0)) (.cse4 ((_ sign_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (or (let ((.cse3 ((_ zero_extend 24) c_~var_1_8~0))) (and (not (bvslt .cse2 .cse3)) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse3)))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0)) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse4) (_ bv64 32)) (_ bv0 32))) (not (= .cse4 (_ bv0 32))) (let ((.cse7 (fp.lt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_16~0)) (not .cse7)) (and .cse7 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_15~0))))))) is different from false [2023-12-23 18:44:26,418 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0)) (.cse4 ((_ sign_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (or (let ((.cse3 ((_ zero_extend 24) c_~var_1_8~0))) (and (not (bvslt .cse2 .cse3)) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse3)))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0)) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse4) (_ bv64 32)) (_ bv0 32))) (not (= .cse4 (_ bv0 32))) (let ((.cse7 (fp.lt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_16~0)) (not .cse7)) (and .cse7 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_15~0))))))) is different from true [2023-12-23 18:44:34,840 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:43,252 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:51,438 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:44:59,865 WARN L293 SmtUtils]: Spent 8.43s 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 18:45:08,283 WARN L293 SmtUtils]: Spent 8.42s 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 18:45:16,465 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:45:24,879 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:45:31,693 WARN L293 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:45:40,111 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:45:48,614 WARN L293 SmtUtils]: Spent 8.50s 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 18:45:57,034 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:46:05,454 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:46:13,881 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:46:22,301 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:46:30,731 WARN L293 SmtUtils]: Spent 8.43s 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 18:46:39,146 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:46:43,274 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)) (_ bv0 32))) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse3) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (not (= .cse3 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0) (let ((.cse6 (fp.lt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 c_~var_1_16~0)) (not .cse6)) (and .cse6 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 c_~var_1_15~0))))))) is different from false [2023-12-23 18:46:47,394 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (= (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)) (_ bv0 32))) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse3) |c_ULTIMATE.start_step_~stepLocal_0~0#1|) (not (= .cse3 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0) (let ((.cse6 (fp.lt c_~var_1_15~0 c_~var_1_16~0)) (.cse4 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse5 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 c_~var_1_16~0)) (not .cse6)) (and .cse6 (fp.gt .cse4 (fp.div c_currentRoundingMode .cse5 c_~var_1_15~0))))))) is different from true [2023-12-23 18:46:55,839 WARN L293 SmtUtils]: Spent 8.43s 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 18:47:02,425 WARN L293 SmtUtils]: Spent 6.59s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:47:10,848 WARN L293 SmtUtils]: Spent 8.42s 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 18:47:19,279 WARN L293 SmtUtils]: Spent 8.43s 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 18:47:25,743 WARN L293 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:47:34,189 WARN L293 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:47:42,639 WARN L293 SmtUtils]: Spent 8.45s 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 18:47:51,084 WARN L293 SmtUtils]: Spent 8.44s 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 18:47:59,549 WARN L293 SmtUtils]: Spent 8.46s 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 18:48:07,993 WARN L293 SmtUtils]: Spent 8.44s 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 18:48:16,442 WARN L293 SmtUtils]: Spent 8.45s 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 18:48:24,915 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:48:33,379 WARN L293 SmtUtils]: Spent 8.46s 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 18:48:44,368 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 18:48:48,493 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse3 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse3 .cse4) .cse3))) (not (= .cse4 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0) (let ((.cse7 (fp.lt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_16~0)) (not .cse7)) (and .cse7 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_15~0))))))) is different from false [2023-12-23 18:48:52,622 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~var_1_18~0 c_~var_1_11~0) (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse3 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse3 .cse4) .cse3))) (not (= .cse4 (_ bv0 32))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0) (let ((.cse7 (fp.lt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode c_~var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_16~0)) (not .cse7)) (and .cse7 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 c_~var_1_15~0))))))) is different from true Received shutdown request... [2023-12-23 18:56:43,255 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 18:56:43,255 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 18:56:43,288 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 18:56:43,301 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 18:56:43,501 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 18:56:43,501 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 93 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-2-2-2-2-2-3-2-2-2-2-2-2-2-3-2-2-2-3-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-47-3-2-3-2-3-2-3-3-3-3-3-4-3-5-3-5-3-5-3-5-3-5-3-5-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. [2023-12-23 18:56:43,505 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-23 18:56:43,507 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 18:56:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:56:43 BoogieIcfgContainer [2023-12-23 18:56:43,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 18:56:43,511 INFO L158 Benchmark]: Toolchain (without parser) took 883261.74ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 933.2MB). Free memory was 168.8MB in the beginning and 512.7MB in the end (delta: -343.9MB). Peak memory consumption was 692.4MB. Max. memory is 8.0GB. [2023-12-23 18:56:43,511 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 156.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 18:56:43,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.11ms. Allocated memory is still 209.7MB. Free memory was 168.4MB in the beginning and 155.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-23 18:56:43,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 209.7MB. Free memory was 155.1MB in the beginning and 153.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 18:56:43,511 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 209.7MB. Free memory was 153.0MB in the beginning and 150.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 18:56:43,512 INFO L158 Benchmark]: RCFGBuilder took 12205.55ms. Allocated memory is still 209.7MB. Free memory was 150.2MB in the beginning and 130.7MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-23 18:56:43,512 INFO L158 Benchmark]: TraceAbstraction took 870798.27ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 933.2MB). Free memory was 130.0MB in the beginning and 512.7MB in the end (delta: -382.7MB). Peak memory consumption was 653.6MB. Max. memory is 8.0GB. [2023-12-23 18:56:43,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 156.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 189.11ms. Allocated memory is still 209.7MB. Free memory was 168.4MB in the beginning and 155.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 209.7MB. Free memory was 155.1MB in the beginning and 153.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 209.7MB. Free memory was 153.0MB in the beginning and 150.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 12205.55ms. Allocated memory is still 209.7MB. Free memory was 150.2MB in the beginning and 130.7MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 870798.27ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 933.2MB). Free memory was 130.0MB in the beginning and 512.7MB in the end (delta: -382.7MB). Peak memory consumption was 653.6MB. 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 93 with TraceHistMax 15,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-2-2-2-2-2-3-2-2-2-2-2-2-2-3-2-2-2-3-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-47-3-2-3-2-3-2-3-3-3-3-3-4-3-5-3-5-3-5-3-5-3-5-3-5-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 870.8s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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