/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-ps-ci_file-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 14:03:24,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 14:03:24,101 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 14:03:24,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 14:03:24,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 14:03:24,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 14:03:24,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 14:03:24,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 14:03:24,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 14:03:24,121 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 14:03:24,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 14:03:24,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 14:03:24,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 14:03:24,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 14:03:24,122 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 14:03:24,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 14:03:24,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 14:03:24,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 14:03:24,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 14:03:24,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 14:03:24,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 14:03:24,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 14:03:24,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 14:03:24,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 14:03:24,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 14:03:24,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 14:03:24,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 14:03:24,132 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 14:03:24,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 14:03:24,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 14:03:24,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 14:03:24,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 14:03:24,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 14:03:24,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 14:03:24,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 14:03:24,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 14:03:24,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 14:03:24,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 14:03:24,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 14:03:24,135 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 14:03:24,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 14:03:24,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 14:03:24,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 14:03:24,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 14:03:24,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 14:03:24,345 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 14:03:24,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2023-12-23 14:03:25,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 14:03:25,423 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 14:03:25,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2023-12-23 14:03:25,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cfc2893f/74b69c5a0bc64a6dac1dccc1a7b27c1f/FLAGf447551b8 [2023-12-23 14:03:25,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cfc2893f/74b69c5a0bc64a6dac1dccc1a7b27c1f [2023-12-23 14:03:25,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 14:03:25,443 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 14:03:25,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 14:03:25,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 14:03:25,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 14:03:25,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfd2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25, skipping insertion in model container [2023-12-23 14:03:25,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 14:03:25,578 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-ps-ci_file-3.i[918,931] [2023-12-23 14:03:25,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 14:03:25,636 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 14:03:25,643 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-ps-ci_file-3.i[918,931] [2023-12-23 14:03:25,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 14:03:25,687 INFO L206 MainTranslator]: Completed translation [2023-12-23 14:03:25,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25 WrapperNode [2023-12-23 14:03:25,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 14:03:25,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 14:03:25,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 14:03:25,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 14:03:25,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,726 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-12-23 14:03:25,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 14:03:25,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 14:03:25,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 14:03:25,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 14:03:25,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,765 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 14:03:25,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 14:03:25,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 14:03:25,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 14:03:25,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 14:03:25,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (1/1) ... [2023-12-23 14:03:25,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 14:03:25,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 14:03:25,830 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 14:03:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 14:03:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 14:03:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 14:03:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 14:03:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 14:03:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 14:03:25,852 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 14:03:25,930 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 14:03:25,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 14:03:40,378 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 14:03:40,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 14:03:40,444 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 14:03:40,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:03:40 BoogieIcfgContainer [2023-12-23 14:03:40,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 14:03:40,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 14:03:40,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 14:03:40,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 14:03:40,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 02:03:25" (1/3) ... [2023-12-23 14:03:40,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2037afc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:03:40, skipping insertion in model container [2023-12-23 14:03:40,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:03:25" (2/3) ... [2023-12-23 14:03:40,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2037afc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:03:40, skipping insertion in model container [2023-12-23 14:03:40,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:03:40" (3/3) ... [2023-12-23 14:03:40,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2023-12-23 14:03:40,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 14:03:40,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 14:03:40,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 14:03:40,519 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;@1fe499de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 14:03:40,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 14:03:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 52 states have internal predecessors, (80), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-23 14:03:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-23 14:03:40,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:03:40,531 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:40,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:03:40,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:03:40,535 INFO L85 PathProgramCache]: Analyzing trace with hash -507567690, now seen corresponding path program 1 times [2023-12-23 14:03:40,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:03:40,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281564724] [2023-12-23 14:03:40,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:03:40,543 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 14:03:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:03:40,545 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 14:03:40,550 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 14:03:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:03:41,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 14:03:41,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:03:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:03:44,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:03:44,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:03:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281564724] [2023-12-23 14:03:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281564724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:03:44,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:03:44,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 14:03:44,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350036764] [2023-12-23 14:03:44,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:03:44,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 14:03:44,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:03:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 14:03:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 14:03:44,380 INFO L87 Difference]: Start difference. First operand has 77 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 52 states have internal predecessors, (80), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:03:49,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:03:53,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:03:58,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:03,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:05,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:08,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:13,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:18,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:22,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:26,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:30,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:34,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:04:35,057 INFO L93 Difference]: Finished difference Result 225 states and 420 transitions. [2023-12-23 14:04:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 14:04:35,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 149 [2023-12-23 14:04:35,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:04:35,066 INFO L225 Difference]: With dead ends: 225 [2023-12-23 14:04:35,066 INFO L226 Difference]: Without dead ends: 149 [2023-12-23 14:04:35,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 14:04:35,071 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 58 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.6s IncrementalHoareTripleChecker+Time [2023-12-23 14:04:35,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 338 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 10 Unknown, 0 Unchecked, 50.6s Time] [2023-12-23 14:04:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-12-23 14:04:35,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2023-12-23 14:04:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 14:04:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 233 transitions. [2023-12-23 14:04:35,108 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 233 transitions. Word has length 149 [2023-12-23 14:04:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:04:35,108 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 233 transitions. [2023-12-23 14:04:35,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:04:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2023-12-23 14:04:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-23 14:04:35,111 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:04:35,111 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:35,134 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 14:04:35,328 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 14:04:35,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:04:35,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:04:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1711179910, now seen corresponding path program 1 times [2023-12-23 14:04:35,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:04:35,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966169771] [2023-12-23 14:04:35,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:04:35,330 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 14:04:35,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:04:35,331 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 14:04:35,333 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 14:04:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:04:36,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 14:04:36,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:04:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:04:36,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:04:36,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:04:36,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966169771] [2023-12-23 14:04:36,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966169771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:04:36,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:04:36,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 14:04:36,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962525862] [2023-12-23 14:04:36,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:04:36,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 14:04:36,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:04:36,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 14:04:36,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 14:04:36,292 INFO L87 Difference]: Start difference. First operand 147 states and 233 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:04:41,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:45,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:49,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:04:49,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:04:49,899 INFO L93 Difference]: Finished difference Result 333 states and 526 transitions. [2023-12-23 14:04:49,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 14:04:49,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 150 [2023-12-23 14:04:49,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:04:49,901 INFO L225 Difference]: With dead ends: 333 [2023-12-23 14:04:49,902 INFO L226 Difference]: Without dead ends: 187 [2023-12-23 14:04:49,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 14:04:49,903 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 25 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-12-23 14:04:49,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 223 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2023-12-23 14:04:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-23 14:04:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 166. [2023-12-23 14:04:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 117 states have internal predecessors, (167), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 14:04:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 259 transitions. [2023-12-23 14:04:49,921 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 259 transitions. Word has length 150 [2023-12-23 14:04:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:04:49,921 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 259 transitions. [2023-12-23 14:04:49,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:04:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 259 transitions. [2023-12-23 14:04:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-23 14:04:49,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:04:49,923 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:49,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-23 14:04:50,124 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 14:04:50,124 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:04:50,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:04:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1905031948, now seen corresponding path program 1 times [2023-12-23 14:04:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:04:50,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957061135] [2023-12-23 14:04:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:04:50,126 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 14:04:50,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:04:50,127 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 14:04:50,128 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 14:04:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:04:51,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 14:04:51,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:04:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:04:51,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:04:51,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:04:51,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957061135] [2023-12-23 14:04:51,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957061135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:04:51,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:04:51,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 14:04:51,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189176239] [2023-12-23 14:04:51,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:04:51,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 14:04:51,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:04:51,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 14:04:51,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 14:04:51,249 INFO L87 Difference]: Start difference. First operand 166 states and 259 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:04:56,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:00,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:04,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:04,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:05:04,880 INFO L93 Difference]: Finished difference Result 353 states and 548 transitions. [2023-12-23 14:05:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 14:05:04,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2023-12-23 14:05:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:05:04,882 INFO L225 Difference]: With dead ends: 353 [2023-12-23 14:05:04,882 INFO L226 Difference]: Without dead ends: 188 [2023-12-23 14:05:04,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 14:05:04,884 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 23 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-12-23 14:05:04,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 221 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2023-12-23 14:05:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-23 14:05:04,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2023-12-23 14:05:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 119 states have (on average 1.3697478991596639) internal successors, (163), 119 states have internal predecessors, (163), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 14:05:04,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 255 transitions. [2023-12-23 14:05:04,897 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 255 transitions. Word has length 151 [2023-12-23 14:05:04,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:05:04,897 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 255 transitions. [2023-12-23 14:05:04,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:05:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 255 transitions. [2023-12-23 14:05:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-23 14:05:04,899 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:05:04,899 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:04,920 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 14:05:05,099 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 14:05:05,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:05:05,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:05:05,100 INFO L85 PathProgramCache]: Analyzing trace with hash 476654719, now seen corresponding path program 1 times [2023-12-23 14:05:05,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:05:05,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913197511] [2023-12-23 14:05:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:05:05,101 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 14:05:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:05:05,103 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 14:05:05,104 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 14:05:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:05:06,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 14:05:06,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:05:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:05:11,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:05:11,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:05:11,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913197511] [2023-12-23 14:05:11,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913197511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:05:11,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:05:11,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 14:05:11,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950154907] [2023-12-23 14:05:11,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:05:11,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 14:05:11,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:05:11,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 14:05:11,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 14:05:11,813 INFO L87 Difference]: Start difference. First operand 168 states and 255 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:05:17,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:21,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:26,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:32,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:36,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:40,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:05:40,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:05:40,398 INFO L93 Difference]: Finished difference Result 545 states and 821 transitions. [2023-12-23 14:05:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 14:05:40,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-12-23 14:05:40,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:05:40,799 INFO L225 Difference]: With dead ends: 545 [2023-12-23 14:05:40,799 INFO L226 Difference]: Without dead ends: 378 [2023-12-23 14:05:40,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 14:05:40,801 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 48 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2023-12-23 14:05:40,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 341 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 41 Invalid, 6 Unknown, 0 Unchecked, 28.4s Time] [2023-12-23 14:05:40,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2023-12-23 14:05:40,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 325. [2023-12-23 14:05:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 228 states have (on average 1.3508771929824561) internal successors, (308), 228 states have internal predecessors, (308), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-12-23 14:05:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 492 transitions. [2023-12-23 14:05:40,839 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 492 transitions. Word has length 152 [2023-12-23 14:05:40,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:05:40,841 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 492 transitions. [2023-12-23 14:05:40,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:05:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 492 transitions. [2023-12-23 14:05:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-23 14:05:40,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:05:40,847 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:40,868 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 14:05:41,060 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 14:05:41,060 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:05:41,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:05:41,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1756518397, now seen corresponding path program 1 times [2023-12-23 14:05:41,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:05:41,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606265350] [2023-12-23 14:05:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:05:41,061 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 14:05:41,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:05:41,062 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 14:05:41,063 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 14:05:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:05:42,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 14:05:42,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:05:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 418 proven. 48 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2023-12-23 14:05:49,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 14:05:51,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:05:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606265350] [2023-12-23 14:05:51,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606265350] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 14:05:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [427607569] [2023-12-23 14:05:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:05:51,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 14:05:51,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 14:05:51,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 14:05:51,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-23 14:05:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:05:54,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 14:05:54,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:05:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:05:59,201 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:05:59,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [427607569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:05:59,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 14:05:59,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2023-12-23 14:05:59,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60751497] [2023-12-23 14:05:59,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:05:59,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 14:05:59,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:05:59,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 14:05:59,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-12-23 14:05:59,203 INFO L87 Difference]: Start difference. First operand 325 states and 492 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:06:04,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:06:08,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:06:12,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:06:15,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:06:15,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:06:15,607 INFO L93 Difference]: Finished difference Result 973 states and 1474 transitions. [2023-12-23 14:06:15,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 14:06:15,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-12-23 14:06:15,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:06:15,612 INFO L225 Difference]: With dead ends: 973 [2023-12-23 14:06:15,612 INFO L226 Difference]: Without dead ends: 649 [2023-12-23 14:06:15,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-12-23 14:06:15,613 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 52 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-12-23 14:06:15,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 240 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2023-12-23 14:06:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2023-12-23 14:06:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 643. [2023-12-23 14:06:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 450 states have (on average 1.3466666666666667) internal successors, (606), 450 states have internal predecessors, (606), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2023-12-23 14:06:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 974 transitions. [2023-12-23 14:06:15,649 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 974 transitions. Word has length 152 [2023-12-23 14:06:15,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:06:15,649 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 974 transitions. [2023-12-23 14:06:15,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:06:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 974 transitions. [2023-12-23 14:06:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-23 14:06:15,651 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:06:15,652 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:06:15,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-23 14:06:15,887 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 14:06:16,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,6 /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 14:06:16,065 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:06:16,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:06:16,066 INFO L85 PathProgramCache]: Analyzing trace with hash -48919937, now seen corresponding path program 1 times [2023-12-23 14:06:16,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:06:16,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168641675] [2023-12-23 14:06:16,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:06:16,066 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 14:06:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:06:16,067 INFO L229 MonitoredProcess]: Starting monitored process 8 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 14:06:16,068 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 (8)] Waiting until timeout for monitored process [2023-12-23 14:06:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:06:16,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-23 14:06:16,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:06:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 674 proven. 69 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2023-12-23 14:06:31,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 14:06:34,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:06:34,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168641675] [2023-12-23 14:06:34,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168641675] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 14:06:34,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1657820959] [2023-12-23 14:06:34,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:06:34,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 14:06:34,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 14:06:34,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 14:06:34,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-23 14:06:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:06:38,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 14:06:38,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:06:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:06:44,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:06:44,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1657820959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:06:44,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 14:06:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2023-12-23 14:06:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924100573] [2023-12-23 14:06:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:06:44,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-23 14:06:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:06:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-23 14:06:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2023-12-23 14:06:44,251 INFO L87 Difference]: Start difference. First operand 643 states and 974 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:06:51,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:06:55,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:06:59,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:03,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:07,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:11,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:15,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:19,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:23,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:27,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:31,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:35,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:40,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:44,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:48,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:52,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:07:56,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:04,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:08,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:12,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:16,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:08:16,887 INFO L93 Difference]: Finished difference Result 1797 states and 2702 transitions. [2023-12-23 14:08:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 14:08:16,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-12-23 14:08:16,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:08:16,893 INFO L225 Difference]: With dead ends: 1797 [2023-12-23 14:08:16,893 INFO L226 Difference]: Without dead ends: 1155 [2023-12-23 14:08:16,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2023-12-23 14:08:16,895 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 274 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 47 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.5s IncrementalHoareTripleChecker+Time [2023-12-23 14:08:16,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 960 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 366 Invalid, 21 Unknown, 0 Unchecked, 91.5s Time] [2023-12-23 14:08:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2023-12-23 14:08:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1037. [2023-12-23 14:08:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 724 states have (on average 1.3425414364640884) internal successors, (972), 724 states have internal predecessors, (972), 299 states have call successors, (299), 13 states have call predecessors, (299), 13 states have return successors, (299), 299 states have call predecessors, (299), 299 states have call successors, (299) [2023-12-23 14:08:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1570 transitions. [2023-12-23 14:08:16,948 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1570 transitions. Word has length 152 [2023-12-23 14:08:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:08:16,948 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 1570 transitions. [2023-12-23 14:08:16,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:08:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1570 transitions. [2023-12-23 14:08:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-23 14:08:16,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:08:16,950 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:16,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-23 14:08:17,186 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 (8)] Ended with exit code 0 [2023-12-23 14:08:17,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,8 /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 14:08:17,366 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:08:17,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:08:17,366 INFO L85 PathProgramCache]: Analyzing trace with hash 860226601, now seen corresponding path program 1 times [2023-12-23 14:08:17,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:08:17,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943708317] [2023-12-23 14:08:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:08:17,366 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 14:08:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:08:17,367 INFO L229 MonitoredProcess]: Starting monitored process 10 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 14:08:17,368 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 (10)] Waiting until timeout for monitored process [2023-12-23 14:08:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:08:18,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 14:08:18,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:08:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:08:23,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:08:23,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:08:23,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943708317] [2023-12-23 14:08:23,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943708317] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:08:23,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:08:23,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 14:08:23,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647375301] [2023-12-23 14:08:23,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:08:23,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 14:08:23,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:08:23,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 14:08:23,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 14:08:23,964 INFO L87 Difference]: Start difference. First operand 1037 states and 1570 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:08:29,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:33,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:37,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:41,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:45,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:08:46,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:08:46,054 INFO L93 Difference]: Finished difference Result 2242 states and 3395 transitions. [2023-12-23 14:08:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 14:08:46,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2023-12-23 14:08:46,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:08:46,059 INFO L225 Difference]: With dead ends: 2242 [2023-12-23 14:08:46,059 INFO L226 Difference]: Without dead ends: 1206 [2023-12-23 14:08:46,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 14:08:46,063 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 36 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2023-12-23 14:08:46,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 359 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 22.0s Time] [2023-12-23 14:08:46,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2023-12-23 14:08:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 806. [2023-12-23 14:08:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 565 states have (on average 1.343362831858407) internal successors, (759), 565 states have internal predecessors, (759), 230 states have call successors, (230), 10 states have call predecessors, (230), 10 states have return successors, (230), 230 states have call predecessors, (230), 230 states have call successors, (230) [2023-12-23 14:08:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1219 transitions. [2023-12-23 14:08:46,112 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1219 transitions. Word has length 153 [2023-12-23 14:08:46,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:08:46,113 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 1219 transitions. [2023-12-23 14:08:46,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:08:46,113 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1219 transitions. [2023-12-23 14:08:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-23 14:08:46,114 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:08:46,114 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:46,138 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 (10)] Forceful destruction successful, exit code 0 [2023-12-23 14:08:46,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 14:08:46,328 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:08:46,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:08:46,329 INFO L85 PathProgramCache]: Analyzing trace with hash -239431014, now seen corresponding path program 1 times [2023-12-23 14:08:46,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:08:46,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896669642] [2023-12-23 14:08:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:08:46,329 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 14:08:46,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:08:46,330 INFO L229 MonitoredProcess]: Starting monitored process 11 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 14:08:46,335 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 (11)] Waiting until timeout for monitored process [2023-12-23 14:08:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:08:47,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 14:08:47,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:08:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-23 14:08:56,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:08:56,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:08:56,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896669642] [2023-12-23 14:08:56,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896669642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:08:56,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:08:56,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 14:08:56,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556351491] [2023-12-23 14:08:56,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:08:56,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 14:08:56,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:08:56,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 14:08:56,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 14:08:56,149 INFO L87 Difference]: Start difference. First operand 806 states and 1219 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:09:00,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:05,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:09,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:11,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:13,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:14,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:20,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:24,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:28,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:32,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:09:32,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:09:32,730 INFO L93 Difference]: Finished difference Result 1934 states and 2917 transitions. [2023-12-23 14:09:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 14:09:32,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2023-12-23 14:09:32,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:09:32,874 INFO L225 Difference]: With dead ends: 1934 [2023-12-23 14:09:32,874 INFO L226 Difference]: Without dead ends: 1129 [2023-12-23 14:09:32,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 14:09:32,878 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 30 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2023-12-23 14:09:32,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 202 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 36.5s Time] [2023-12-23 14:09:32,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2023-12-23 14:09:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1113. [2023-12-23 14:09:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 776 states have (on average 1.3298969072164948) internal successors, (1032), 776 states have internal predecessors, (1032), 322 states have call successors, (322), 14 states have call predecessors, (322), 14 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2023-12-23 14:09:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1676 transitions. [2023-12-23 14:09:32,934 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1676 transitions. Word has length 153 [2023-12-23 14:09:32,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:09:32,934 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1676 transitions. [2023-12-23 14:09:32,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-23 14:09:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1676 transitions. [2023-12-23 14:09:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-23 14:09:32,935 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:09:32,936 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:32,958 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 (11)] Forceful destruction successful, exit code 0 [2023-12-23 14:09:33,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 14:09:33,144 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:09:33,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:09:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1526310493, now seen corresponding path program 1 times [2023-12-23 14:09:33,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:09:33,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129980199] [2023-12-23 14:09:33,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:09:33,145 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 14:09:33,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:09:33,148 INFO L229 MonitoredProcess]: Starting monitored process 12 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 14:09:33,176 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 (12)] Waiting until timeout for monitored process [2023-12-23 14:09:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:09:34,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-23 14:09:34,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:09:52,694 WARN L293 SmtUtils]: Spent 8.83s 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 14:09:58,532 WARN L293 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:10:07,393 WARN L293 SmtUtils]: Spent 8.86s 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 14:10:16,279 WARN L293 SmtUtils]: Spent 8.89s 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 14:10:25,157 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:10:34,040 WARN L293 SmtUtils]: Spent 8.88s 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 14:10:42,926 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 14:10:51,840 WARN L293 SmtUtils]: Spent 8.91s 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 14:11:00,335 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 14:11:09,249 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 14:11:18,122 WARN L293 SmtUtils]: Spent 8.87s 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 14:11:22,352 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) c_~var_1_14~0)) (.cse0 ((_ zero_extend 24) c_~var_1_20~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (let ((.cse3 (bvadd (bvneg .cse4) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse1 (bvsgt .cse3 .cse2))) (or (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_20~0)) (and (= ((_ extract 7 0) .cse3) c_~var_1_20~0) .cse1)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse4) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 14:11:26,591 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) c_~var_1_14~0)) (.cse0 ((_ zero_extend 24) c_~var_1_20~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (let ((.cse3 (bvadd (bvneg .cse4) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse1 (bvsgt .cse3 .cse2))) (or (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_20~0)) (and (= ((_ extract 7 0) .cse3) c_~var_1_20~0) .cse1)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse4) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 14:11:35,467 WARN L293 SmtUtils]: Spent 8.87s 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 14:11:44,381 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:11:57,361 WARN L293 SmtUtils]: Spent 8.87s 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 14:12:06,232 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:12:15,098 WARN L293 SmtUtils]: Spent 8.86s 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 14:12:23,936 WARN L293 SmtUtils]: Spent 8.84s 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 14:12:32,785 WARN L293 SmtUtils]: Spent 8.85s 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 14:12:41,258 WARN L293 SmtUtils]: Spent 8.47s 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 14:12:50,137 WARN L293 SmtUtils]: Spent 8.88s 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 14:12:58,997 WARN L293 SmtUtils]: Spent 8.86s 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 14:13:05,447 WARN L293 SmtUtils]: Spent 6.45s 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 14:13:14,323 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:13:23,187 WARN L293 SmtUtils]: Spent 8.86s 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 14:13:32,044 WARN L293 SmtUtils]: Spent 8.86s 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 14:13:40,897 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:13:49,744 WARN L293 SmtUtils]: Spent 8.85s 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 14:13:58,576 WARN L293 SmtUtils]: Spent 8.83s 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 14:14:07,475 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 14:14:16,401 WARN L293 SmtUtils]: Spent 8.92s 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 14:14:22,381 WARN L293 SmtUtils]: Spent 5.98s 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 14:14:31,266 WARN L293 SmtUtils]: Spent 8.88s 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 14:14:40,158 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 14:14:44,397 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) c_~var_1_14~0)) (.cse0 ((_ zero_extend 24) c_~var_1_20~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (let ((.cse3 (bvadd (bvneg .cse4) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse1 (bvsgt .cse3 .cse2))) (or (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_20~0)) (and (= ((_ extract 7 0) .cse3) c_~var_1_20~0) .cse1)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse4) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (not (= c_~var_1_3~0 (_ bv0 8))))) is different from false [2023-12-23 14:14:48,635 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) c_~var_1_14~0)) (.cse0 ((_ zero_extend 24) c_~var_1_20~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (let ((.cse3 (bvadd (bvneg .cse4) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse1 (bvsgt .cse3 .cse2))) (or (and (not .cse1) (= ((_ extract 7 0) .cse2) c_~var_1_20~0)) (and (= ((_ extract 7 0) .cse3) c_~var_1_20~0) .cse1)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse4) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (not (= c_~var_1_3~0 (_ bv0 8))))) is different from true [2023-12-23 14:14:57,593 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 14:15:06,461 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:15:15,408 WARN L293 SmtUtils]: Spent 8.95s 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 14:15:21,124 WARN L293 SmtUtils]: Spent 5.72s 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 14:15:30,025 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:15:38,885 WARN L293 SmtUtils]: Spent 8.86s 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 14:15:47,739 WARN L293 SmtUtils]: Spent 8.85s 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 14:15:56,610 WARN L293 SmtUtils]: Spent 8.87s 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 14:16:05,460 WARN L293 SmtUtils]: Spent 8.85s 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 14:16:13,955 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 14:16:22,832 WARN L293 SmtUtils]: Spent 8.88s 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 14:16:31,749 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 14:16:40,612 WARN L293 SmtUtils]: Spent 8.86s 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 14:16:49,540 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:16:58,441 WARN L293 SmtUtils]: Spent 8.90s 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 14:17:05,403 WARN L293 SmtUtils]: Spent 6.96s 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 14:17:12,402 WARN L293 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:17:21,267 WARN L293 SmtUtils]: Spent 8.86s 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 14:17:34,849 WARN L293 SmtUtils]: Spent 8.88s 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 14:17:43,723 WARN L293 SmtUtils]: Spent 8.87s 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 14:17:50,405 WARN L293 SmtUtils]: Spent 6.68s 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 14:17:59,291 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) Received shutdown request... [2023-12-23 14:18:03,876 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 14:18:03,877 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 (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 14:18:04,899 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 (12)] Ended with exit code 0 [2023-12-23 14:18:05,077 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 14:18:05,158 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 14:18:05,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 14:18:05,160 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 154 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 14:18:05,163 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 14:18:05,164 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 14:18:05,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 02:18:05 BoogieIcfgContainer [2023-12-23 14:18:05,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 14:18:05,166 INFO L158 Benchmark]: Toolchain (without parser) took 879722.98ms. Allocated memory is still 282.1MB. Free memory was 236.6MB in the beginning and 227.5MB in the end (delta: 9.1MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2023-12-23 14:18:05,166 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 220.2MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 14:18:05,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.08ms. Allocated memory is still 282.1MB. Free memory was 236.3MB in the beginning and 220.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-23 14:18:05,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.63ms. Allocated memory is still 282.1MB. Free memory was 220.5MB in the beginning and 218.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 14:18:05,167 INFO L158 Benchmark]: Boogie Preprocessor took 71.95ms. Allocated memory is still 282.1MB. Free memory was 218.0MB in the beginning and 214.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 14:18:05,167 INFO L158 Benchmark]: RCFGBuilder took 14645.68ms. Allocated memory is still 282.1MB. Free memory was 214.2MB in the beginning and 244.5MB in the end (delta: -30.2MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. [2023-12-23 14:18:05,167 INFO L158 Benchmark]: TraceAbstraction took 864719.26ms. Allocated memory is still 282.1MB. Free memory was 243.9MB in the beginning and 227.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2023-12-23 14:18:05,168 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 220.2MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.08ms. Allocated memory is still 282.1MB. Free memory was 236.3MB in the beginning and 220.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.63ms. Allocated memory is still 282.1MB. Free memory was 220.5MB in the beginning and 218.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.95ms. Allocated memory is still 282.1MB. Free memory was 218.0MB in the beginning and 214.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 14645.68ms. Allocated memory is still 282.1MB. Free memory was 214.2MB in the beginning and 244.5MB in the end (delta: -30.2MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. * TraceAbstraction took 864719.26ms. Allocated memory is still 282.1MB. Free memory was 243.9MB in the beginning and 227.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.4MB. 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 154 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 864.7s, OverallIterations: 9, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 274.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 602 SdHoareTripleChecker+Valid, 272.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 602 mSDsluCounter, 2884 SdHoareTripleChecker+Invalid, 265.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1688 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 567 IncrementalHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 1196 mSDtfsCounter, 567 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1653 GetRequests, 1610 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1113occurred in iteration=8, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 636 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 12.7s SatisfiabilityAnalysisTime, 62.2s InterpolantComputationTime, 1516 NumberOfCodeBlocks, 1516 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1506 ConstructedInterpolants, 15 QuantifiedInterpolants, 11222 SizeOfPredicates, 39 NumberOfNonLiveVariables, 2478 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 10003/10120 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