/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-co_file-62.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 16:37:11,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 16:37:11,066 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 16:37:11,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 16:37:11,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 16:37:11,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 16:37:11,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 16:37:11,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 16:37:11,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 16:37:11,104 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 16:37:11,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 16:37:11,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 16:37:11,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 16:37:11,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 16:37:11,106 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 16:37:11,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 16:37:11,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 16:37:11,107 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 16:37:11,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 16:37:11,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 16:37:11,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 16:37:11,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 16:37:11,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 16:37:11,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 16:37:11,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 16:37:11,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 16:37:11,109 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 16:37:11,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 16:37:11,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 16:37:11,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 16:37:11,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 16:37:11,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 16:37:11,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 16:37:11,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 16:37:11,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 16:37:11,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 16:37:11,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 16:37:11,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 16:37:11,112 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 16:37:11,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 16:37:11,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 16:37:11,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 16:37:11,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 16:37:11,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 16:37:11,309 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 16:37:11,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-62.i [2023-12-23 16:37:12,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 16:37:12,582 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 16:37:12,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-62.i [2023-12-23 16:37:12,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8e1ee8e/bd1b556a765f4d52aedc7e046795be34/FLAGb24f2b648 [2023-12-23 16:37:12,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd8e1ee8e/bd1b556a765f4d52aedc7e046795be34 [2023-12-23 16:37:12,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 16:37:12,628 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 16:37:12,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 16:37:12,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 16:37:12,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 16:37:12,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aed5aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12, skipping insertion in model container [2023-12-23 16:37:12,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 16:37:12,759 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-co_file-62.i[919,932] [2023-12-23 16:37:12,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 16:37:12,812 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 16:37:12,820 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-co_file-62.i[919,932] [2023-12-23 16:37:12,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 16:37:12,860 INFO L206 MainTranslator]: Completed translation [2023-12-23 16:37:12,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12 WrapperNode [2023-12-23 16:37:12,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 16:37:12,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 16:37:12,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 16:37:12,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 16:37:12,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,901 INFO L138 Inliner]: procedures = 27, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2023-12-23 16:37:12,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 16:37:12,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 16:37:12,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 16:37:12,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 16:37:12,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,930 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 16:37:12,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 16:37:12,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 16:37:12,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 16:37:12,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 16:37:12,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (1/1) ... [2023-12-23 16:37:12,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 16:37:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 16:37:12,973 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 16:37:13,002 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 16:37:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 16:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 16:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 16:37:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 16:37:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 16:37:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 16:37:13,078 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 16:37:13,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 16:37:39,731 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 16:37:39,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 16:37:39,757 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 16:37:39,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:37:39 BoogieIcfgContainer [2023-12-23 16:37:39,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 16:37:39,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 16:37:39,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 16:37:39,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 16:37:39,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:37:12" (1/3) ... [2023-12-23 16:37:39,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c72e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:37:39, skipping insertion in model container [2023-12-23 16:37:39,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:12" (2/3) ... [2023-12-23 16:37:39,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c72e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:37:39, skipping insertion in model container [2023-12-23 16:37:39,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:37:39" (3/3) ... [2023-12-23 16:37:39,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-62.i [2023-12-23 16:37:39,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 16:37:39,775 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 16:37:39,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 16:37:39,815 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;@6c707ece, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 16:37:39,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 16:37:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-23 16:37:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-23 16:37:39,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:37:39,834 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:39,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:37:39,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:37:39,839 INFO L85 PathProgramCache]: Analyzing trace with hash -22878378, now seen corresponding path program 1 times [2023-12-23 16:37:39,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:37:39,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903435507] [2023-12-23 16:37:39,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:37:39,849 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 16:37:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:37:39,851 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 16:37:39,888 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 16:37:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:37:41,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 16:37:41,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:37:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1172 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2023-12-23 16:37:41,577 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:37:41,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:37:41,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903435507] [2023-12-23 16:37:41,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903435507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:37:41,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:37:41,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 16:37:41,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359984695] [2023-12-23 16:37:41,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:37:41,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 16:37:41,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:37:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 16:37:41,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 16:37:41,615 INFO L87 Difference]: Start difference. First operand has 94 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-12-23 16:37:46,672 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 16:37:46,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 16:37:46,673 INFO L93 Difference]: Finished difference Result 185 states and 339 transitions. [2023-12-23 16:37:47,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 16:37:47,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 230 [2023-12-23 16:37:47,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 16:37:47,060 INFO L225 Difference]: With dead ends: 185 [2023-12-23 16:37:47,060 INFO L226 Difference]: Without dead ends: 92 [2023-12-23 16:37:47,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 16:37:47,065 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-23 16:37:47,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-12-23 16:37:47,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-23 16:37:47,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-12-23 16:37:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-23 16:37:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 145 transitions. [2023-12-23 16:37:47,101 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 145 transitions. Word has length 230 [2023-12-23 16:37:47,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 16:37:47,101 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 145 transitions. [2023-12-23 16:37:47,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-12-23 16:37:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2023-12-23 16:37:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-23 16:37:47,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:37:47,105 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:37:47,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 16:37:47,312 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 16:37:47,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:37:47,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:37:47,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1567457198, now seen corresponding path program 1 times [2023-12-23 16:37:47,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:37:47,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742717260] [2023-12-23 16:37:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:37:47,320 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 16:37:47,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:37:47,322 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 16:37:47,325 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 16:37:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:37:48,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 16:37:48,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:38:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-12-23 16:38:00,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:38:00,075 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:38:00,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742717260] [2023-12-23 16:38:00,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742717260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:38:00,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:38:00,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 16:38:00,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910989289] [2023-12-23 16:38:00,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:38:00,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 16:38:00,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:38:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 16:38:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 16:38:00,078 INFO L87 Difference]: Start difference. First operand 92 states and 145 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-12-23 16:38:02,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:38:08,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:38:12,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:38:17,796 WARN L539 Checker$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 16:38:21,799 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 16:38:22,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 16:38:22,637 INFO L93 Difference]: Finished difference Result 265 states and 421 transitions. [2023-12-23 16:38:22,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 16:38:22,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 230 [2023-12-23 16:38:22,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 16:38:22,653 INFO L225 Difference]: With dead ends: 265 [2023-12-23 16:38:22,653 INFO L226 Difference]: Without dead ends: 174 [2023-12-23 16:38:22,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 228 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 16:38:22,655 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 22 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2023-12-23 16:38:22,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 255 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2023-12-23 16:38:22,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-23 16:38:22,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 165. [2023-12-23 16:38:22,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 88 states have internal predecessors, (109), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-23 16:38:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 257 transitions. [2023-12-23 16:38:22,726 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 257 transitions. Word has length 230 [2023-12-23 16:38:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 16:38:22,727 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 257 transitions. [2023-12-23 16:38:22,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-12-23 16:38:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2023-12-23 16:38:22,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-23 16:38:22,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:38:22,730 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:22,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 16:38:22,961 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 16:38:22,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:38:22,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:38:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1139162196, now seen corresponding path program 1 times [2023-12-23 16:38:22,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:38:22,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412579495] [2023-12-23 16:38:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:38:22,963 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 16:38:22,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:38:22,965 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 16:38:22,966 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 16:38:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:38:24,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 16:38:24,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:38:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2023-12-23 16:38:30,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:38:30,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:38:30,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412579495] [2023-12-23 16:38:30,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412579495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:38:30,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:38:30,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 16:38:30,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618173814] [2023-12-23 16:38:30,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:38:30,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 16:38:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:38:30,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 16:38:30,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 16:38:30,652 INFO L87 Difference]: Start difference. First operand 165 states and 257 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-12-23 16:38:35,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:38:41,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:38:45,070 WARN L539 Checker$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 16:38:45,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 16:38:45,497 INFO L93 Difference]: Finished difference Result 347 states and 545 transitions. [2023-12-23 16:38:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 16:38:45,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 230 [2023-12-23 16:38:45,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 16:38:45,502 INFO L225 Difference]: With dead ends: 347 [2023-12-23 16:38:45,502 INFO L226 Difference]: Without dead ends: 256 [2023-12-23 16:38:45,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 228 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 16:38:45,504 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 34 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-23 16:38:45,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 280 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2023-12-23 16:38:45,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-12-23 16:38:45,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2023-12-23 16:38:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 138 states have (on average 1.2753623188405796) internal successors, (176), 138 states have internal predecessors, (176), 111 states have call successors, (111), 3 states have call predecessors, (111), 3 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2023-12-23 16:38:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 398 transitions. [2023-12-23 16:38:45,529 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 398 transitions. Word has length 230 [2023-12-23 16:38:45,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 16:38:45,530 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 398 transitions. [2023-12-23 16:38:45,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2023-12-23 16:38:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 398 transitions. [2023-12-23 16:38:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-23 16:38:45,532 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:38:45,532 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:38:45,572 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 16:38:45,754 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 16:38:45,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:38:45,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:38:45,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1725968210, now seen corresponding path program 1 times [2023-12-23 16:38:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:38:45,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345462289] [2023-12-23 16:38:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:38:45,760 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 16:38:45,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:38:45,762 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 16:38:45,763 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 16:38:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:38:52,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-23 16:38:52,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:40:48,430 WARN L293 SmtUtils]: Spent 6.26s 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 16:40:55,394 WARN L293 SmtUtils]: Spent 6.96s 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 16:41:05,063 WARN L293 SmtUtils]: Spent 5.79s 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 16:41:12,295 WARN L293 SmtUtils]: Spent 7.23s 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 16:41:19,192 WARN L293 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:41:32,776 WARN L293 SmtUtils]: Spent 5.82s 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 16:41:42,103 WARN L293 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:42:02,585 WARN L293 SmtUtils]: Spent 5.91s 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 16:42:08,417 WARN L293 SmtUtils]: Spent 5.83s 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 16:42:14,507 WARN L293 SmtUtils]: Spent 6.09s 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 16:42:35,602 WARN L293 SmtUtils]: Spent 6.14s 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 16:42:46,445 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse3 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse2 (fp.gt .cse6 c_~var_1_7~0))) (or (and (not .cse2) (let ((.cse4 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse3 (not .cse4)) (and .cse4 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse5 (fp.lt .cse6 c_~var_1_8~0))) (or (and .cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse6))) (and .cse3 (not .cse5)))) .cse2))) (fp.leq .cse6 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse7) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse8) (fp.geq c_~var_1_11~0 .cse9)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse8)) (fp.leq c_~var_1_11~0 (fp.neg .cse9))))) (fp.geq c_~var_1_12~0 .cse9) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 319.0 20.0)) c_~var_1_22~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-23 16:42:56,226 WARN L293 SmtUtils]: Spent 5.98s 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 16:43:10,932 WARN L293 SmtUtils]: Spent 7.47s 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 16:43:17,299 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:43:30,353 WARN L293 SmtUtils]: Spent 6.33s 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 16:43:48,698 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:43:57,717 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:44:08,382 WARN L293 SmtUtils]: Spent 7.15s 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 16:44:21,142 WARN L293 SmtUtils]: Spent 6.04s 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 16:44:38,022 WARN L293 SmtUtils]: Spent 7.82s 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 16:44:43,927 WARN L293 SmtUtils]: Spent 5.90s 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 16:44:58,370 WARN L293 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:45:05,109 WARN L293 SmtUtils]: Spent 6.74s 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 16:45:12,047 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 319.0 20.0)) c_~var_1_22~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-23 16:45:16,101 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse11)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (let ((.cse1 ((_ zero_extend 24) c_~var_1_21~0))) (let ((.cse2 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse1)) .cse2) (and (= c_~var_1_19~0 (_ bv32 8)) (not .cse2))))) (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse5 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse4 (fp.gt .cse8 c_~var_1_7~0))) (or (and (not .cse4) (let ((.cse6 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse5 (not .cse6)) (and .cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse7 (fp.lt .cse8 c_~var_1_8~0))) (or (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse8))) (and .cse5 (not .cse7)))) .cse4))) (fp.leq .cse8 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (fp.leq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_12~0 .cse9) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse10) (fp.geq c_~var_1_11~0 .cse11)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse10)) (fp.leq c_~var_1_11~0 (fp.neg .cse11))))) (fp.geq c_~var_1_12~0 .cse11) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 319.0 20.0)) c_~var_1_22~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-23 16:45:26,590 WARN L293 SmtUtils]: Spent 5.87s 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 16:45:56,157 WARN L293 SmtUtils]: Spent 7.10s 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 16:46:05,920 WARN L293 SmtUtils]: Spent 5.77s 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 16:46:22,431 WARN L293 SmtUtils]: Spent 6.19s 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 16:46:32,327 WARN L293 SmtUtils]: Spent 6.07s 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 16:46:43,997 WARN L293 SmtUtils]: Spent 6.78s 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 16:46:52,004 WARN L293 SmtUtils]: Spent 8.01s 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 16:47:04,160 WARN L293 SmtUtils]: Spent 7.55s 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 16:47:11,582 WARN L293 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:47:31,795 WARN L293 SmtUtils]: Spent 7.66s 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 16:47:41,952 WARN L293 SmtUtils]: Spent 5.54s 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 16:47:52,000 WARN L293 SmtUtils]: Spent 6.25s 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 16:48:00,167 WARN L293 SmtUtils]: Spent 8.17s 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 16:48:07,217 WARN L293 SmtUtils]: Spent 7.05s 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 16:48:25,232 WARN L293 SmtUtils]: Spent 7.23s 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 16:48:32,199 WARN L293 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:48:37,609 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:48:54,199 WARN L293 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:05,112 WARN L293 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:17,674 WARN L293 SmtUtils]: Spent 6.64s 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 16:49:29,454 WARN L293 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:37,359 WARN L293 SmtUtils]: Spent 7.90s 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 16:49:45,373 WARN L293 SmtUtils]: Spent 8.01s 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 16:49:51,554 WARN L293 SmtUtils]: Spent 6.18s 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 16:50:07,101 WARN L293 SmtUtils]: Spent 7.23s 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 16:50:12,293 WARN L293 SmtUtils]: Spent 5.19s 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 16:50:20,536 WARN L293 SmtUtils]: Spent 8.23s 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 16:50:28,750 WARN L293 SmtUtils]: Spent 8.21s 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 16:50:36,999 WARN L293 SmtUtils]: Spent 8.25s 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 16:50:45,242 WARN L293 SmtUtils]: Spent 8.24s 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 16:50:53,485 WARN L293 SmtUtils]: Spent 8.24s 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 16:51:01,723 WARN L293 SmtUtils]: Spent 8.24s 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 16:51:08,767 WARN L293 SmtUtils]: Spent 7.04s 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 16:51:17,006 WARN L293 SmtUtils]: Spent 8.24s 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 16:51:25,234 WARN L293 SmtUtils]: Spent 8.23s 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 16:51:33,483 WARN L293 SmtUtils]: Spent 8.25s 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 16:51:41,718 WARN L293 SmtUtils]: Spent 8.23s 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 16:51:49,927 WARN L293 SmtUtils]: Spent 8.21s 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 16:51:57,997 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 16:51:58,031 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 16:51:58,120 WARN L293 SmtUtils]: Spent 8.19s 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 16:51:58,124 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 16:51:58,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-23 16:51:58,325 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 16:51:58,325 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 231 with TraceHistMax 37,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-2-2-2-1 context. [2023-12-23 16:51:58,329 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 16:51:58,331 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 16:51:58,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:51:58 BoogieIcfgContainer [2023-12-23 16:51:58,332 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 16:51:58,332 INFO L158 Benchmark]: Toolchain (without parser) took 885704.06ms. Allocated memory is still 235.9MB. Free memory was 186.3MB in the beginning and 165.2MB in the end (delta: 21.1MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. [2023-12-23 16:51:58,332 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 16:51:58,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.52ms. Allocated memory is still 235.9MB. Free memory was 186.0MB in the beginning and 169.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 16:51:58,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.46ms. Allocated memory is still 235.9MB. Free memory was 169.5MB in the beginning and 166.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 16:51:58,333 INFO L158 Benchmark]: Boogie Preprocessor took 46.17ms. Allocated memory is still 235.9MB. Free memory was 166.4MB in the beginning and 162.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 16:51:58,333 INFO L158 Benchmark]: RCFGBuilder took 26808.57ms. Allocated memory is still 235.9MB. Free memory was 162.5MB in the beginning and 193.3MB in the end (delta: -30.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-23 16:51:58,333 INFO L158 Benchmark]: TraceAbstraction took 858573.20ms. Allocated memory is still 235.9MB. Free memory was 192.8MB in the beginning and 165.2MB in the end (delta: 27.5MB). Peak memory consumption was 27.5MB. Max. memory is 8.0GB. [2023-12-23 16:51:58,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.52ms. Allocated memory is still 235.9MB. Free memory was 186.0MB in the beginning and 169.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.46ms. Allocated memory is still 235.9MB. Free memory was 169.5MB in the beginning and 166.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.17ms. Allocated memory is still 235.9MB. Free memory was 166.4MB in the beginning and 162.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 26808.57ms. Allocated memory is still 235.9MB. Free memory was 162.5MB in the beginning and 193.3MB in the end (delta: -30.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 858573.20ms. Allocated memory is still 235.9MB. Free memory was 192.8MB in the beginning and 165.2MB in the end (delta: 27.5MB). Peak memory consumption was 27.5MB. 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 231 with TraceHistMax 37,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 858.5s, OverallIterations: 4, TraceHistogramMax: 37, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 42.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 42.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 677 SdHoareTripleChecker+Invalid, 41.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 419 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 687 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 2399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1097 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 7992/7992 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