/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_loopvsstraightlinecode_100-1loop_file-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 13:31:36,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 13:31:36,958 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 13:31:36,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 13:31:36,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 13:31:36,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 13:31:36,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 13:31:36,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 13:31:36,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 13:31:36,981 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 13:31:36,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 13:31:36,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 13:31:36,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 13:31:36,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 13:31:36,983 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 13:31:36,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 13:31:36,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 13:31:36,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 13:31:36,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 13:31:36,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 13:31:36,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 13:31:36,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 13:31:36,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 13:31:36,986 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 13:31:36,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 13:31:36,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 13:31:36,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 13:31:36,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 13:31:36,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 13:31:36,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 13:31:36,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 13:31:36,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 13:31:36,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 13:31:36,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 13:31:36,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 13:31:36,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 13:31:36,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 13:31:36,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 13:31:36,991 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 13:31:36,991 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 13:31:36,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 13:31:36,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 13:31:36,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 13:31:36,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 13:31:36,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 13:31:36,993 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 13:31:36,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 13:31:37,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 13:31:37,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 13:31:37,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 13:31:37,231 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 13:31:37,232 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 13:31:37,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-12-16 13:31:38,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 13:31:38,695 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 13:31:38,696 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-12-16 13:31:38,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4e88f86/cd5041dbe2834969b0ac8ef23c99c241/FLAG62e76dce0 [2023-12-16 13:31:38,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4e88f86/cd5041dbe2834969b0ac8ef23c99c241 [2023-12-16 13:31:38,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 13:31:38,720 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 13:31:38,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 13:31:38,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 13:31:38,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 13:31:38,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:31:38" (1/1) ... [2023-12-16 13:31:38,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7fe1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:38, skipping insertion in model container [2023-12-16 13:31:38,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:31:38" (1/1) ... [2023-12-16 13:31:38,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 13:31:38,881 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_loopvsstraightlinecode_100-1loop_file-2.i[915,928] [2023-12-16 13:31:38,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 13:31:38,977 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 13:31:38,985 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_loopvsstraightlinecode_100-1loop_file-2.i[915,928] [2023-12-16 13:31:39,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 13:31:39,044 INFO L206 MainTranslator]: Completed translation [2023-12-16 13:31:39,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39 WrapperNode [2023-12-16 13:31:39,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 13:31:39,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 13:31:39,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 13:31:39,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 13:31:39,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,100 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 223 [2023-12-16 13:31:39,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 13:31:39,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 13:31:39,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 13:31:39,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 13:31:39,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,131 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]. [2023-12-16 13:31:39,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 13:31:39,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 13:31:39,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 13:31:39,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 13:31:39,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (1/1) ... [2023-12-16 13:31:39,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 13:31:39,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 13:31:39,183 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) [2023-12-16 13:31:39,224 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 [2023-12-16 13:31:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 13:31:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 13:31:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 13:31:39,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 13:31:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 13:31:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 13:31:39,339 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 13:31:39,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 13:31:55,844 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 13:31:55,917 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 13:31:55,918 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 13:31:55,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:31:55 BoogieIcfgContainer [2023-12-16 13:31:55,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 13:31:55,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 13:31:55,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 13:31:55,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 13:31:55,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:31:38" (1/3) ... [2023-12-16 13:31:55,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7311bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:31:55, skipping insertion in model container [2023-12-16 13:31:55,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:31:39" (2/3) ... [2023-12-16 13:31:55,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7311bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:31:55, skipping insertion in model container [2023-12-16 13:31:55,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:31:55" (3/3) ... [2023-12-16 13:31:55,928 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-2.i [2023-12-16 13:31:55,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 13:31:55,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 13:31:55,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 13:31:55,982 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;@1936fc26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 13:31:55,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 13:31:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-16 13:31:56,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-16 13:31:56,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:31:56,007 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 13:31:56,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:31:56,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:31:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1876120938, now seen corresponding path program 1 times [2023-12-16 13:31:56,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:31:56,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612037470] [2023-12-16 13:31:56,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:31:56,022 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 [2023-12-16 13:31:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:31:56,024 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) [2023-12-16 13:31:56,025 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 [2023-12-16 13:31:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:31:57,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 13:31:57,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:31:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1006 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-12-16 13:31:57,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:31:57,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:31:57,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612037470] [2023-12-16 13:31:57,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612037470] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:31:57,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:31:57,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 13:31:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375691567] [2023-12-16 13:31:57,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:31:57,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 13:31:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:31:57,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 13:31:57,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 13:31:57,385 INFO L87 Difference]: Start difference. First operand has 92 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-16 13:32:02,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:32:02,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:32:02,591 INFO L93 Difference]: Finished difference Result 183 states and 329 transitions. [2023-12-16 13:32:02,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 13:32:02,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 221 [2023-12-16 13:32:02,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:32:02,599 INFO L225 Difference]: With dead ends: 183 [2023-12-16 13:32:02,599 INFO L226 Difference]: Without dead ends: 90 [2023-12-16 13:32:02,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 13:32:02,605 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-16 13:32:02,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2023-12-16 13:32:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-16 13:32:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-16 13:32:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-16 13:32:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 142 transitions. [2023-12-16 13:32:02,647 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 142 transitions. Word has length 221 [2023-12-16 13:32:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:32:02,648 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 142 transitions. [2023-12-16 13:32:02,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-16 13:32:02,648 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-12-16 13:32:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-16 13:32:02,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:32:02,653 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 13:32:02,686 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 [2023-12-16 13:32:02,868 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 [2023-12-16 13:32:02,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:32:02,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:32:02,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1658745254, now seen corresponding path program 1 times [2023-12-16 13:32:02,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:32:02,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955264536] [2023-12-16 13:32:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:32:02,871 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 [2023-12-16 13:32:02,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:32:02,873 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) [2023-12-16 13:32:02,876 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 [2023-12-16 13:32:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:32:03,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 13:32:04,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:32:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-12-16 13:32:04,228 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:32:04,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:32:04,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955264536] [2023-12-16 13:32:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955264536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:32:04,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:32:04,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 13:32:04,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643394159] [2023-12-16 13:32:04,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:32:04,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 13:32:04,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:32:04,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 13:32:04,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:32:04,234 INFO L87 Difference]: Start difference. First operand 90 states and 142 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-16 13:32:09,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:32:13,245 WARN L539 Checker$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 [] [2023-12-16 13:32:17,261 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 [] [2023-12-16 13:32:17,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:32:17,589 INFO L93 Difference]: Finished difference Result 197 states and 309 transitions. [2023-12-16 13:32:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 13:32:17,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 221 [2023-12-16 13:32:17,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:32:17,595 INFO L225 Difference]: With dead ends: 197 [2023-12-16 13:32:17,595 INFO L226 Difference]: Without dead ends: 108 [2023-12-16 13:32:17,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:32:17,598 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 18 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-16 13:32:17,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-12-16 13:32:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-12-16 13:32:17,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2023-12-16 13:32:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 59 states have internal predecessors, (80), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-16 13:32:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 152 transitions. [2023-12-16 13:32:17,616 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 152 transitions. Word has length 221 [2023-12-16 13:32:17,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:32:17,622 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 152 transitions. [2023-12-16 13:32:17,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-16 13:32:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-12-16 13:32:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-16 13:32:17,633 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:32:17,633 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 13:32:17,669 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 [2023-12-16 13:32:17,847 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 [2023-12-16 13:32:17,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:32:17,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:32:17,848 INFO L85 PathProgramCache]: Analyzing trace with hash 879411542, now seen corresponding path program 1 times [2023-12-16 13:32:17,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:32:17,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583589177] [2023-12-16 13:32:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:32:17,849 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 [2023-12-16 13:32:17,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:32:17,853 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) [2023-12-16 13:32:17,856 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 [2023-12-16 13:32:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:32:19,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 13:32:19,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 13:32:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-12-16 13:32:19,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 13:32:19,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 13:32:19,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583589177] [2023-12-16 13:32:19,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583589177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 13:32:19,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 13:32:19,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 13:32:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559731784] [2023-12-16 13:32:19,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 13:32:19,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 13:32:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 13:32:19,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 13:32:19,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:32:19,307 INFO L87 Difference]: Start difference. First operand 97 states and 152 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-16 13:32:24,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:32:28,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 13:32:32,443 WARN L539 Checker$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 [] [2023-12-16 13:32:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 13:32:32,783 INFO L93 Difference]: Finished difference Result 232 states and 357 transitions. [2023-12-16 13:32:32,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 13:32:32,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-12-16 13:32:32,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 13:32:32,789 INFO L225 Difference]: With dead ends: 232 [2023-12-16 13:32:32,789 INFO L226 Difference]: Without dead ends: 136 [2023-12-16 13:32:32,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 13:32:32,791 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 38 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-12-16 13:32:32,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 267 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2023-12-16 13:32:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-16 13:32:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2023-12-16 13:32:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 88 states have internal predecessors, (117), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-16 13:32:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2023-12-16 13:32:32,825 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 222 [2023-12-16 13:32:32,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 13:32:32,826 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2023-12-16 13:32:32,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-16 13:32:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-12-16 13:32:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-16 13:32:32,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 13:32:32,832 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 13:32:32,866 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 [2023-12-16 13:32:33,055 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 [2023-12-16 13:32:33,056 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 13:32:33,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 13:32:33,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1640548392, now seen corresponding path program 1 times [2023-12-16 13:32:33,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 13:32:33,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379974787] [2023-12-16 13:32:33,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 13:32:33,058 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 [2023-12-16 13:32:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 13:32:33,059 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) [2023-12-16 13:32:33,078 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 [2023-12-16 13:32:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 13:32:34,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-16 13:32:34,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 13:32:52,835 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 [2023-12-16 13:32:52,846 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 [2023-12-16 13:32:52,982 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 13:32:53,019 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 [2023-12-16 13:32:53,192 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 [2023-12-16 13:32:53,193 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 223 with TraceHistMax 36,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-8-2-2-1 term,while SimplifyDDA2 was simplifying 8 xjuncts wrt. a ATOM-1 context. [2023-12-16 13:32:53,198 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 13:32:53,200 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 13:32:53,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:32:53 BoogieIcfgContainer [2023-12-16 13:32:53,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 13:32:53,210 INFO L158 Benchmark]: Toolchain (without parser) took 74490.62ms. Allocated memory was 199.2MB in the beginning and 261.1MB in the end (delta: 61.9MB). Free memory was 155.3MB in the beginning and 203.6MB in the end (delta: -48.3MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. [2023-12-16 13:32:53,211 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 199.2MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 13:32:53,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.68ms. Allocated memory is still 199.2MB. Free memory was 155.1MB in the beginning and 137.5MB in the end (delta: 17.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 13:32:53,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 199.2MB. Free memory was 137.3MB in the beginning and 134.3MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 13:32:53,211 INFO L158 Benchmark]: Boogie Preprocessor took 53.16ms. Allocated memory is still 199.2MB. Free memory was 134.3MB in the beginning and 129.3MB in the end (delta: 5.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 13:32:53,212 INFO L158 Benchmark]: RCFGBuilder took 16763.05ms. Allocated memory is still 199.2MB. Free memory was 129.3MB in the beginning and 153.3MB in the end (delta: -24.0MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. [2023-12-16 13:32:53,212 INFO L158 Benchmark]: TraceAbstraction took 57285.31ms. Allocated memory was 199.2MB in the beginning and 261.1MB in the end (delta: 61.9MB). Free memory was 152.7MB in the beginning and 203.6MB in the end (delta: -50.9MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2023-12-16 13:32:53,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 199.2MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.68ms. Allocated memory is still 199.2MB. Free memory was 155.1MB in the beginning and 137.5MB in the end (delta: 17.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 199.2MB. Free memory was 137.3MB in the beginning and 134.3MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.16ms. Allocated memory is still 199.2MB. Free memory was 134.3MB in the beginning and 129.3MB in the end (delta: 5.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 16763.05ms. Allocated memory is still 199.2MB. Free memory was 129.3MB in the beginning and 153.3MB in the end (delta: -24.0MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. * TraceAbstraction took 57285.31ms. Allocated memory was 199.2MB in the beginning and 261.1MB in the end (delta: 61.9MB). Free memory was 152.7MB in the beginning and 203.6MB in the end (delta: -50.9MB). Peak memory consumption was 11.0MB. 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 223 with TraceHistMax 36,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-8-2-2-1 term,while SimplifyDDA2 was simplifying 8 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.2s, OverallIterations: 4, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 31.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 675 SdHoareTripleChecker+Invalid, 31.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 262 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 413 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 659 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 661 ConstructedInterpolants, 0 QuantifiedInterpolants, 696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1092 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 7560/7560 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