/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_fillercodesize_ps-cn-25_file-94.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:19:44,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:19:44,634 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 11:19:44,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:19:44,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:19:44,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:19:44,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:19:44,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:19:44,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:19:44,663 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:19:44,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:19:44,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:19:44,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:19:44,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:19:44,665 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:19:44,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:19:44,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:19:44,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:19:44,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:19:44,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:19:44,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:19:44,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:19:44,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:19:44,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:19:44,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:19:44,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:19:44,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:19:44,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:19:44,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:19:44,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:19:44,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:19:44,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:19:44,670 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:19:44,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:19:44,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:19:44,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:19:44,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:19:44,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:19:44,874 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:19:44,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-94.i [2023-12-16 11:19:45,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:19:46,161 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:19:46,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-94.i [2023-12-16 11:19:46,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3691083d9/87a5d2875f7143c785800f0850f85d9c/FLAGb691e3df6 [2023-12-16 11:19:46,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3691083d9/87a5d2875f7143c785800f0850f85d9c [2023-12-16 11:19:46,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:19:46,188 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:19:46,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:19:46,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:19:46,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:19:46,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101f272a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46, skipping insertion in model container [2023-12-16 11:19:46,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:19:46,321 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_fillercodesize_ps-cn-25_file-94.i[915,928] [2023-12-16 11:19:46,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:19:46,379 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:19:46,387 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_fillercodesize_ps-cn-25_file-94.i[915,928] [2023-12-16 11:19:46,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:19:46,426 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:19:46,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46 WrapperNode [2023-12-16 11:19:46,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:19:46,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:19:46,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:19:46,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:19:46,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,465 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2023-12-16 11:19:46,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:19:46,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:19:46,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:19:46,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:19:46,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,499 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 11:19:46,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:19:46,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:19:46,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:19:46,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:19:46,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (1/1) ... [2023-12-16 11:19:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:19:46,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:19:46,590 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 11:19:46,626 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 11:19:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:19:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:19:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:19:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:19:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:19:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:19:46,735 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:19:46,739 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:19:50,959 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:19:50,987 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:19:50,987 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:19:50,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:19:50 BoogieIcfgContainer [2023-12-16 11:19:50,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:19:50,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:19:50,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:19:50,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:19:50,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:19:46" (1/3) ... [2023-12-16 11:19:50,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620e1376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:19:50, skipping insertion in model container [2023-12-16 11:19:50,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:19:46" (2/3) ... [2023-12-16 11:19:50,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620e1376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:19:50, skipping insertion in model container [2023-12-16 11:19:50,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:19:50" (3/3) ... [2023-12-16 11:19:50,993 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-94.i [2023-12-16 11:19:51,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:19:51,005 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:19:51,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:19:51,040 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;@3d191cdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:19:51,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:19:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 56 states have internal predecessors, (75), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-16 11:19:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-12-16 11:19:51,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:19:51,060 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:19:51,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:19:51,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:19:51,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1122877483, now seen corresponding path program 1 times [2023-12-16 11:19:51,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:19:51,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921713868] [2023-12-16 11:19:51,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:19:51,074 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 11:19:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:19:51,076 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 11:19:51,078 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 (2)] Waiting until timeout for monitored process [2023-12-16 11:19:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:19:51,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:19:51,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:19:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 1490 proven. 0 refuted. 0 times theorem prover too weak. 2650 trivial. 0 not checked. [2023-12-16 11:19:51,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:19:51,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:19:51,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921713868] [2023-12-16 11:19:51,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921713868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:19:51,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:19:51,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:19:51,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548492541] [2023-12-16 11:19:51,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:19:51,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:19:51,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:19:51,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:19:51,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:19:51,650 INFO L87 Difference]: Start difference. First operand has 104 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 56 states have internal predecessors, (75), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-16 11:19:54,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:19:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:19:54,749 INFO L93 Difference]: Finished difference Result 205 states and 378 transitions. [2023-12-16 11:19:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:19:54,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 274 [2023-12-16 11:19:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:19:54,795 INFO L225 Difference]: With dead ends: 205 [2023-12-16 11:19:54,795 INFO L226 Difference]: Without dead ends: 102 [2023-12-16 11:19:54,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 273 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 11:19:54,805 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-16 11:19:54,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-16 11:19:54,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-16 11:19:54,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-12-16 11:19:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 54 states have internal predecessors, (70), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-16 11:19:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 162 transitions. [2023-12-16 11:19:54,855 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 162 transitions. Word has length 274 [2023-12-16 11:19:54,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:19:54,855 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 162 transitions. [2023-12-16 11:19:54,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-16 11:19:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2023-12-16 11:19:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-12-16 11:19:54,860 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:19:54,860 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:19:54,884 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 11:19:55,071 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 11:19:55,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:19:55,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:19:55,073 INFO L85 PathProgramCache]: Analyzing trace with hash -11067251, now seen corresponding path program 1 times [2023-12-16 11:19:55,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:19:55,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944533680] [2023-12-16 11:19:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:19:55,074 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 11:19:55,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:19:55,075 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 11:19:55,083 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 11:19:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:19:55,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:19:55,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:19:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-12-16 11:19:56,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:19:56,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:19:56,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944533680] [2023-12-16 11:19:56,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944533680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:19:56,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:19:56,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 11:19:56,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479186050] [2023-12-16 11:19:56,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:19:56,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 11:19:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:19:56,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 11:19:56,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 11:19:56,456 INFO L87 Difference]: Start difference. First operand 102 states and 162 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2023-12-16 11:19:58,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:20:02,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:20:02,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:20:02,918 INFO L93 Difference]: Finished difference Result 310 states and 490 transitions. [2023-12-16 11:20:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 11:20:02,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 274 [2023-12-16 11:20:02,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:20:02,962 INFO L225 Difference]: With dead ends: 310 [2023-12-16 11:20:02,962 INFO L226 Difference]: Without dead ends: 209 [2023-12-16 11:20:02,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 11:20:02,964 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 117 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-16 11:20:02,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 632 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-12-16 11:20:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-12-16 11:20:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 201. [2023-12-16 11:20:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-12-16 11:20:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 321 transitions. [2023-12-16 11:20:03,020 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 321 transitions. Word has length 274 [2023-12-16 11:20:03,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:20:03,023 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 321 transitions. [2023-12-16 11:20:03,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2023-12-16 11:20:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 321 transitions. [2023-12-16 11:20:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-16 11:20:03,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:20:03,030 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:20:03,042 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 [2023-12-16 11:20:03,241 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 11:20:03,242 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:20:03,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:20:03,243 INFO L85 PathProgramCache]: Analyzing trace with hash -464630374, now seen corresponding path program 1 times [2023-12-16 11:20:03,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:20:03,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746883045] [2023-12-16 11:20:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:20:03,244 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 11:20:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:20:03,245 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 11:20:03,247 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 11:20:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:20:03,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:20:03,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:20:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 555 proven. 126 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2023-12-16 11:20:04,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:20:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 9 proven. 126 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2023-12-16 11:20:05,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:20:05,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746883045] [2023-12-16 11:20:05,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746883045] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:20:05,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:20:05,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-16 11:20:05,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118747323] [2023-12-16 11:20:05,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:20:05,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 11:20:05,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:20:05,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 11:20:05,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 11:20:05,194 INFO L87 Difference]: Start difference. First operand 201 states and 321 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (88), 2 states have call predecessors, (88), 4 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2023-12-16 11:20:09,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:20:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:20:10,731 INFO L93 Difference]: Finished difference Result 831 states and 1301 transitions. [2023-12-16 11:20:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 11:20:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (88), 2 states have call predecessors, (88), 4 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) Word has length 275 [2023-12-16 11:20:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:20:10,736 INFO L225 Difference]: With dead ends: 831 [2023-12-16 11:20:10,737 INFO L226 Difference]: Without dead ends: 631 [2023-12-16 11:20:10,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 542 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-12-16 11:20:10,738 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 200 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:20:10,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 489 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-16 11:20:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2023-12-16 11:20:10,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 319. [2023-12-16 11:20:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 174 states have (on average 1.2528735632183907) internal successors, (218), 174 states have internal predecessors, (218), 138 states have call successors, (138), 6 states have call predecessors, (138), 6 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2023-12-16 11:20:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 494 transitions. [2023-12-16 11:20:10,813 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 494 transitions. Word has length 275 [2023-12-16 11:20:10,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:20:10,815 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 494 transitions. [2023-12-16 11:20:10,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (88), 2 states have call predecessors, (88), 4 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2023-12-16 11:20:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 494 transitions. [2023-12-16 11:20:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-16 11:20:10,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:20:10,817 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:20:10,831 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 11:20:11,029 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 11:20:11,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:20:11,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:20:11,035 INFO L85 PathProgramCache]: Analyzing trace with hash -857657384, now seen corresponding path program 1 times [2023-12-16 11:20:11,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:20:11,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260152812] [2023-12-16 11:20:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:20:11,036 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 11:20:11,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:20:11,037 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 11:20:11,038 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 11:20:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:20:12,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-16 11:20:12,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:21:02,905 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:21:02,911 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 11:21:02,911 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 11:21:02,923 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 11:21:03,109 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 11:21:03,109 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 276 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-2-2-1 context. [2023-12-16 11:21:03,113 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:21:03,114 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:21:03,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:21:03 BoogieIcfgContainer [2023-12-16 11:21:03,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:21:03,117 INFO L158 Benchmark]: Toolchain (without parser) took 76928.75ms. Allocated memory was 206.6MB in the beginning and 375.4MB in the end (delta: 168.8MB). Free memory was 155.2MB in the beginning and 195.0MB in the end (delta: -39.7MB). Peak memory consumption was 130.3MB. Max. memory is 8.0GB. [2023-12-16 11:21:03,117 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 206.6MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:21:03,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.56ms. Allocated memory is still 206.6MB. Free memory was 154.9MB in the beginning and 138.0MB in the end (delta: 16.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 11:21:03,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.86ms. Allocated memory is still 206.6MB. Free memory was 138.0MB in the beginning and 135.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:21:03,117 INFO L158 Benchmark]: Boogie Preprocessor took 58.93ms. Allocated memory is still 206.6MB. Free memory was 135.0MB in the beginning and 130.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:21:03,118 INFO L158 Benchmark]: RCFGBuilder took 4456.07ms. Allocated memory was 206.6MB in the beginning and 375.4MB in the end (delta: 168.8MB). Free memory was 130.8MB in the beginning and 328.5MB in the end (delta: -197.7MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. [2023-12-16 11:21:03,118 INFO L158 Benchmark]: TraceAbstraction took 72126.89ms. Allocated memory is still 375.4MB. Free memory was 327.5MB in the beginning and 195.0MB in the end (delta: 132.5MB). Peak memory consumption was 132.1MB. Max. memory is 8.0GB. [2023-12-16 11:21:03,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 206.6MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 236.56ms. Allocated memory is still 206.6MB. Free memory was 154.9MB in the beginning and 138.0MB in the end (delta: 16.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.86ms. Allocated memory is still 206.6MB. Free memory was 138.0MB in the beginning and 135.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.93ms. Allocated memory is still 206.6MB. Free memory was 135.0MB in the beginning and 130.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 4456.07ms. Allocated memory was 206.6MB in the beginning and 375.4MB in the end (delta: 168.8MB). Free memory was 130.8MB in the beginning and 328.5MB in the end (delta: -197.7MB). Peak memory consumption was 19.1MB. Max. memory is 8.0GB. * TraceAbstraction took 72126.89ms. Allocated memory is still 375.4MB. Free memory was 327.5MB in the beginning and 195.0MB in the end (delta: 132.5MB). Peak memory consumption was 132.1MB. 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 276 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.1s, OverallIterations: 4, TraceHistogramMax: 46, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 322 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 317 mSDsluCounter, 1280 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 852 mSDsCounter, 322 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 503 IncrementalHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 322 mSolverCounterUnsat, 428 mSDtfsCounter, 503 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1115 GetRequests, 1085 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=3, InterpolantAutomatonStates: 30, 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, 3 MinimizatonAttempts, 320 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 823 NumberOfCodeBlocks, 823 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1094 ConstructedInterpolants, 0 QuantifiedInterpolants, 2633 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1316 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 16308/16560 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