/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-74.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 08:53:12,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 08:53:12,136 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 08:53:12,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 08:53:12,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 08:53:12,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 08:53:12,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 08:53:12,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 08:53:12,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 08:53:12,181 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 08:53:12,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 08:53:12,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 08:53:12,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 08:53:12,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 08:53:12,184 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 08:53:12,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 08:53:12,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 08:53:12,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 08:53:12,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 08:53:12,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 08:53:12,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 08:53:12,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 08:53:12,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 08:53:12,187 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 08:53:12,187 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 08:53:12,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 08:53:12,187 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 08:53:12,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 08:53:12,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 08:53:12,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 08:53:12,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 08:53:12,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 08:53:12,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 08:53:12,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 08:53:12,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 08:53:12,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 08:53:12,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 08:53:12,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 08:53:12,190 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 08:53:12,191 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 08:53:12,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 08:53:12,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 08:53:12,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 08:53:12,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 08:53:12,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 08:53:12,192 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 08:53:12,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 08:53:12,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 08:53:12,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 08:53:12,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 08:53:12,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 08:53:12,455 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 08:53:12,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-74.i [2023-12-23 08:53:13,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 08:53:13,930 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 08:53:13,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-74.i [2023-12-23 08:53:13,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46341481e/b16c9a298d9041ed9653f25211bf8d41/FLAG1990d2eef [2023-12-23 08:53:13,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46341481e/b16c9a298d9041ed9653f25211bf8d41 [2023-12-23 08:53:13,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 08:53:13,954 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 08:53:13,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 08:53:13,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 08:53:13,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 08:53:13,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:53:13" (1/1) ... [2023-12-23 08:53:13,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a833014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:13, skipping insertion in model container [2023-12-23 08:53:13,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:53:13" (1/1) ... [2023-12-23 08:53:13,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 08:53:14,139 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-74.i[919,932] [2023-12-23 08:53:14,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 08:53:14,233 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 08:53:14,244 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-74.i[919,932] [2023-12-23 08:53:14,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 08:53:14,327 INFO L206 MainTranslator]: Completed translation [2023-12-23 08:53:14,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14 WrapperNode [2023-12-23 08:53:14,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 08:53:14,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 08:53:14,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 08:53:14,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 08:53:14,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,394 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2023-12-23 08:53:14,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 08:53:14,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 08:53:14,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 08:53:14,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 08:53:14,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,434 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 08:53:14,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 08:53:14,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 08:53:14,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 08:53:14,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 08:53:14,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (1/1) ... [2023-12-23 08:53:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 08:53:14,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 08:53:14,514 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 08:53:14,540 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 08:53:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 08:53:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 08:53:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 08:53:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 08:53:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 08:53:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 08:53:14,665 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 08:53:14,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 08:53:17,716 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 08:53:17,794 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 08:53:17,794 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 08:53:17,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:53:17 BoogieIcfgContainer [2023-12-23 08:53:17,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 08:53:17,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 08:53:17,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 08:53:17,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 08:53:17,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:53:13" (1/3) ... [2023-12-23 08:53:17,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267efe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:53:17, skipping insertion in model container [2023-12-23 08:53:17,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:53:14" (2/3) ... [2023-12-23 08:53:17,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267efe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:53:17, skipping insertion in model container [2023-12-23 08:53:17,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:53:17" (3/3) ... [2023-12-23 08:53:17,805 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-74.i [2023-12-23 08:53:17,820 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 08:53:17,821 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 08:53:17,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 08:53:17,874 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;@6a10fcac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 08:53:17,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 08:53:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 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) [2023-12-23 08:53:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-23 08:53:17,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:53:17,899 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] [2023-12-23 08:53:17,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:53:17,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:53:17,904 INFO L85 PathProgramCache]: Analyzing trace with hash 2045449373, now seen corresponding path program 1 times [2023-12-23 08:53:17,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:53:17,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312347947] [2023-12-23 08:53:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:53:17,917 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 08:53:17,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:53:17,923 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 08:53:17,937 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 08:53:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:53:18,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 08:53:18,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:53:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1174 proven. 0 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2023-12-23 08:53:18,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 08:53:18,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:53:18,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312347947] [2023-12-23 08:53:18,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312347947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 08:53:18,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 08:53:18,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 08:53:18,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104087089] [2023-12-23 08:53:18,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 08:53:18,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 08:53:18,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:53:18,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 08:53:18,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 08:53:18,503 INFO L87 Difference]: Start difference. First operand has 96 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 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 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2023-12-23 08:53:20,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:20,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:53:20,054 INFO L93 Difference]: Finished difference Result 188 states and 344 transitions. [2023-12-23 08:53:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 08:53:20,083 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 222 [2023-12-23 08:53:20,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:53:20,089 INFO L225 Difference]: With dead ends: 188 [2023-12-23 08:53:20,089 INFO L226 Difference]: Without dead ends: 93 [2023-12-23 08:53:20,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 221 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 08:53:20,100 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-23 08:53:20,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-23 08:53:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-23 08:53:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-23 08:53:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 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) [2023-12-23 08:53:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 147 transitions. [2023-12-23 08:53:20,147 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 147 transitions. Word has length 222 [2023-12-23 08:53:20,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:53:20,147 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 147 transitions. [2023-12-23 08:53:20,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2023-12-23 08:53:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2023-12-23 08:53:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-23 08:53:20,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:53:20,152 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] [2023-12-23 08:53:20,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 08:53:20,366 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 08:53:20,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:53:20,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:53:20,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1979476533, now seen corresponding path program 1 times [2023-12-23 08:53:20,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:53:20,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840116178] [2023-12-23 08:53:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:53:20,369 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 08:53:20,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:53:20,370 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 08:53:20,376 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 08:53:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:53:20,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 08:53:20,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:53:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-12-23 08:53:22,703 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 08:53:22,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:53:22,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840116178] [2023-12-23 08:53:22,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840116178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 08:53:22,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 08:53:22,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 08:53:22,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466874407] [2023-12-23 08:53:22,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 08:53:22,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 08:53:22,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:53:22,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 08:53:22,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-23 08:53:22,710 INFO L87 Difference]: Start difference. First operand 93 states and 147 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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) [2023-12-23 08:53:24,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:27,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:27,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:53:27,149 INFO L93 Difference]: Finished difference Result 278 states and 440 transitions. [2023-12-23 08:53:27,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 08:53:27,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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 [2023-12-23 08:53:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:53:27,191 INFO L225 Difference]: With dead ends: 278 [2023-12-23 08:53:27,191 INFO L226 Difference]: Without dead ends: 186 [2023-12-23 08:53:27,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-23 08:53:27,193 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 122 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-23 08:53:27,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 480 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-23 08:53:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-23 08:53:27,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 157. [2023-12-23 08:53:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 82 states have internal predecessors, (102), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-23 08:53:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 246 transitions. [2023-12-23 08:53:27,253 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 246 transitions. Word has length 222 [2023-12-23 08:53:27,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:53:27,256 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 246 transitions. [2023-12-23 08:53:27,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 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) [2023-12-23 08:53:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2023-12-23 08:53:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-23 08:53:27,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:53:27,266 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, 1] [2023-12-23 08:53:27,288 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 08:53:27,484 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 08:53:27,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:53:27,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:53:27,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1932067069, now seen corresponding path program 1 times [2023-12-23 08:53:27,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:53:27,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345442017] [2023-12-23 08:53:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:53:27,487 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 08:53:27,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:53:27,489 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 08:53:27,491 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 08:53:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:53:27,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 08:53:27,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:53:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-12-23 08:53:29,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 08:53:29,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:53:29,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345442017] [2023-12-23 08:53:29,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1345442017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 08:53:29,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 08:53:29,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 08:53:29,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678430476] [2023-12-23 08:53:29,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 08:53:29,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 08:53:29,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:53:29,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 08:53:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-23 08:53:29,261 INFO L87 Difference]: Start difference. First operand 157 states and 246 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-12-23 08:53:31,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:33,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:33,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:53:33,164 INFO L93 Difference]: Finished difference Result 278 states and 439 transitions. [2023-12-23 08:53:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 08:53:33,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 223 [2023-12-23 08:53:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:53:33,197 INFO L225 Difference]: With dead ends: 278 [2023-12-23 08:53:33,197 INFO L226 Difference]: Without dead ends: 186 [2023-12-23 08:53:33,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-23 08:53:33,198 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 118 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-23 08:53:33,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 481 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-23 08:53:33,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-23 08:53:33,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 158. [2023-12-23 08:53:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.2409638554216869) internal successors, (103), 83 states have internal predecessors, (103), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-23 08:53:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 247 transitions. [2023-12-23 08:53:33,229 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 247 transitions. Word has length 223 [2023-12-23 08:53:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:53:33,230 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 247 transitions. [2023-12-23 08:53:33,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-12-23 08:53:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 247 transitions. [2023-12-23 08:53:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-23 08:53:33,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:53:33,233 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, 1] [2023-12-23 08:53:33,250 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 08:53:33,450 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 08:53:33,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:53:33,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:53:33,452 INFO L85 PathProgramCache]: Analyzing trace with hash 368755521, now seen corresponding path program 1 times [2023-12-23 08:53:33,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:53:33,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458825442] [2023-12-23 08:53:33,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:53:33,453 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 08:53:33,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:53:33,454 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 08:53:33,457 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 08:53:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:53:33,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 08:53:33,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:53:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 989 proven. 78 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2023-12-23 08:53:34,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 08:53:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 27 proven. 78 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-12-23 08:53:34,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:53:34,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458825442] [2023-12-23 08:53:34,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458825442] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 08:53:34,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 08:53:34,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-23 08:53:34,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499567538] [2023-12-23 08:53:34,522 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 08:53:34,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 08:53:34,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:53:34,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 08:53:34,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 08:53:34,524 INFO L87 Difference]: Start difference. First operand 158 states and 247 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-23 08:53:37,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:53:37,289 INFO L93 Difference]: Finished difference Result 265 states and 405 transitions. [2023-12-23 08:53:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 08:53:37,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 223 [2023-12-23 08:53:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:53:37,291 INFO L225 Difference]: With dead ends: 265 [2023-12-23 08:53:37,291 INFO L226 Difference]: Without dead ends: 173 [2023-12-23 08:53:37,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 438 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-23 08:53:37,293 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 58 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-23 08:53:37,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 224 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-23 08:53:37,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-23 08:53:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 165. [2023-12-23 08:53:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 88 states have internal predecessors, (105), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-12-23 08:53:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 249 transitions. [2023-12-23 08:53:37,316 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 249 transitions. Word has length 223 [2023-12-23 08:53:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:53:37,317 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 249 transitions. [2023-12-23 08:53:37,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-12-23 08:53:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 249 transitions. [2023-12-23 08:53:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-23 08:53:37,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:53:37,320 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, 1] [2023-12-23 08:53:37,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 08:53:37,524 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 08:53:37,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:53:37,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:53:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash -218050493, now seen corresponding path program 1 times [2023-12-23 08:53:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:53:37,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347202022] [2023-12-23 08:53:37,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:53:37,526 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 08:53:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:53:37,527 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 08:53:37,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-23 08:53:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:53:37,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-23 08:53:37,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:53:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1082 proven. 144 refuted. 0 times theorem prover too weak. 1294 trivial. 0 not checked. [2023-12-23 08:53:39,034 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 08:53:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-12-23 08:53:39,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:53:39,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347202022] [2023-12-23 08:53:39,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347202022] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 08:53:39,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 08:53:39,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2023-12-23 08:53:39,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618226619] [2023-12-23 08:53:39,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 08:53:39,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-23 08:53:39,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:53:39,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-23 08:53:39,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2023-12-23 08:53:39,681 INFO L87 Difference]: Start difference. First operand 165 states and 249 transitions. Second operand has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (61), 3 states have call predecessors, (61), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-12-23 08:53:42,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:53:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:53:43,003 INFO L93 Difference]: Finished difference Result 347 states and 506 transitions. [2023-12-23 08:53:43,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-23 08:53:43,004 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (61), 3 states have call predecessors, (61), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 223 [2023-12-23 08:53:43,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:53:43,006 INFO L225 Difference]: With dead ends: 347 [2023-12-23 08:53:43,006 INFO L226 Difference]: Without dead ends: 252 [2023-12-23 08:53:43,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2023-12-23 08:53:43,008 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 276 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-23 08:53:43,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 599 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-23 08:53:43,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-12-23 08:53:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 217. [2023-12-23 08:53:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 127 states have (on average 1.220472440944882) internal successors, (155), 128 states have internal predecessors, (155), 80 states have call successors, (80), 9 states have call predecessors, (80), 9 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-23 08:53:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 315 transitions. [2023-12-23 08:53:43,030 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 315 transitions. Word has length 223 [2023-12-23 08:53:43,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:53:43,031 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 315 transitions. [2023-12-23 08:53:43,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (61), 3 states have call predecessors, (61), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-12-23 08:53:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 315 transitions. [2023-12-23 08:53:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-23 08:53:43,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:53:43,034 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, 1] [2023-12-23 08:53:43,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-23 08:53:43,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 08:53:43,245 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:53:43,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:53:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash 483014085, now seen corresponding path program 1 times [2023-12-23 08:53:43,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:53:43,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449512813] [2023-12-23 08:53:43,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:53:43,246 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 08:53:43,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:53:43,247 INFO L229 MonitoredProcess]: Starting monitored process 7 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 08:53:43,248 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 (7)] Waiting until timeout for monitored process [2023-12-23 08:53:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:53:43,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-23 08:53:43,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:54:32,203 WARN L293 SmtUtils]: Spent 12.88s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 08:55:08,270 WARN L293 SmtUtils]: Spent 15.99s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-23 09:07:46,476 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 09:07:46,480 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 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 09:07:46,480 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 09:07:46,490 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 (7)] Forceful destruction successful, exit code 0 [2023-12-23 09:07:46,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 09:07:46,689 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 224 with TraceHistMax 36,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-20-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-58-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-3-2-2-2-3-2-2-1 context. [2023-12-23 09:07:46,693 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-23 09:07:46,697 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 09:07:46,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:07:46 BoogieIcfgContainer [2023-12-23 09:07:46,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 09:07:46,701 INFO L158 Benchmark]: Toolchain (without parser) took 872746.53ms. Allocated memory was 281.0MB in the beginning and 952.1MB in the end (delta: 671.1MB). Free memory was 227.3MB in the beginning and 666.4MB in the end (delta: -439.1MB). Peak memory consumption was 574.0MB. Max. memory is 8.0GB. [2023-12-23 09:07:46,702 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 185.6MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 09:07:46,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.64ms. Allocated memory is still 281.0MB. Free memory was 227.0MB in the beginning and 210.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 09:07:46,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.17ms. Allocated memory is still 281.0MB. Free memory was 210.1MB in the beginning and 207.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 09:07:46,705 INFO L158 Benchmark]: Boogie Preprocessor took 64.17ms. Allocated memory is still 281.0MB. Free memory was 207.4MB in the beginning and 203.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 09:07:46,705 INFO L158 Benchmark]: RCFGBuilder took 3334.20ms. Allocated memory is still 281.0MB. Free memory was 203.2MB in the beginning and 237.5MB in the end (delta: -34.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-23 09:07:46,705 INFO L158 Benchmark]: TraceAbstraction took 868901.21ms. Allocated memory was 281.0MB in the beginning and 952.1MB in the end (delta: 671.1MB). Free memory was 236.9MB in the beginning and 666.4MB in the end (delta: -429.4MB). Peak memory consumption was 582.5MB. Max. memory is 8.0GB. [2023-12-23 09:07:46,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 185.6MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 373.64ms. Allocated memory is still 281.0MB. Free memory was 227.0MB in the beginning and 210.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.17ms. Allocated memory is still 281.0MB. Free memory was 210.1MB in the beginning and 207.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.17ms. Allocated memory is still 281.0MB. Free memory was 207.4MB in the beginning and 203.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 3334.20ms. Allocated memory is still 281.0MB. Free memory was 203.2MB in the beginning and 237.5MB in the end (delta: -34.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 868901.21ms. Allocated memory was 281.0MB in the beginning and 952.1MB in the end (delta: 671.1MB). Free memory was 236.9MB in the beginning and 666.4MB in the end (delta: -429.4MB). Peak memory consumption was 582.5MB. 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 224 with TraceHistMax 36,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-20-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-58-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-3-2-2-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 868.8s, OverallIterations: 6, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 602 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 1928 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1295 mSDsCounter, 240 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1184 IncrementalHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 240 mSolverCounterUnsat, 633 mSDtfsCounter, 1184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1572 GetRequests, 1525 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=5, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 100 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1113 NumberOfCodeBlocks, 1113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1552 ConstructedInterpolants, 0 QuantifiedInterpolants, 6201 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1789 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 17265/17640 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