/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-250_file-77.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 02:54:00,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 02:54:00,340 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 02:54:00,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 02:54:00,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 02:54:00,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 02:54:00,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 02:54:00,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 02:54:00,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 02:54:00,371 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 02:54:00,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 02:54:00,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 02:54:00,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 02:54:00,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 02:54:00,373 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 02:54:00,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 02:54:00,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 02:54:00,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 02:54:00,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 02:54:00,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 02:54:00,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 02:54:00,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 02:54:00,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 02:54:00,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 02:54:00,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 02:54:00,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 02:54:00,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 02:54:00,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 02:54:00,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 02:54:00,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 02:54:00,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 02:54:00,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 02:54:00,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 02:54:00,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 02:54:00,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 02:54:00,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 02:54:00,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 02:54:00,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 02:54:00,379 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 02:54:00,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 02:54:00,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 02:54:00,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 02:54:00,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 02:54:00,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 02:54:00,607 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 02:54:00,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-77.i [2023-12-23 02:54:01,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 02:54:01,784 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 02:54:01,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-77.i [2023-12-23 02:54:01,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02e2b5c0/b0a20322278a45b69b7f8d43601c1288/FLAG78fe20713 [2023-12-23 02:54:01,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02e2b5c0/b0a20322278a45b69b7f8d43601c1288 [2023-12-23 02:54:01,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 02:54:01,808 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 02:54:01,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 02:54:01,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 02:54:01,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 02:54:01,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:54:01" (1/1) ... [2023-12-23 02:54:01,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eab9ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:01, skipping insertion in model container [2023-12-23 02:54:01,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:54:01" (1/1) ... [2023-12-23 02:54:01,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 02:54:01,946 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-250_file-77.i[916,929] [2023-12-23 02:54:02,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 02:54:02,055 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 02:54:02,064 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-250_file-77.i[916,929] [2023-12-23 02:54:02,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 02:54:02,133 INFO L206 MainTranslator]: Completed translation [2023-12-23 02:54:02,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02 WrapperNode [2023-12-23 02:54:02,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 02:54:02,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 02:54:02,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 02:54:02,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 02:54:02,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,206 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 422 [2023-12-23 02:54:02,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 02:54:02,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 02:54:02,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 02:54:02,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 02:54:02,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,238 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 02:54:02,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 02:54:02,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 02:54:02,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 02:54:02,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 02:54:02,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (1/1) ... [2023-12-23 02:54:02,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 02:54:02,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 02:54:02,321 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 02:54:02,339 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 02:54:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 02:54:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 02:54:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 02:54:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 02:54:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 02:54:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 02:54:02,446 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 02:54:02,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 02:54:08,170 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 02:54:08,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 02:54:08,198 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 02:54:08,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:54:08 BoogieIcfgContainer [2023-12-23 02:54:08,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 02:54:08,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 02:54:08,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 02:54:08,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 02:54:08,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 02:54:01" (1/3) ... [2023-12-23 02:54:08,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb043cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:54:08, skipping insertion in model container [2023-12-23 02:54:08,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:54:02" (2/3) ... [2023-12-23 02:54:08,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb043cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:54:08, skipping insertion in model container [2023-12-23 02:54:08,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:54:08" (3/3) ... [2023-12-23 02:54:08,203 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-77.i [2023-12-23 02:54:08,215 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 02:54:08,215 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 02:54:08,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 02:54:08,251 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;@19e51600, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 02:54:08,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 02:54:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 115 states have (on average 1.565217391304348) internal successors, (180), 116 states have internal predecessors, (180), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-12-23 02:54:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-12-23 02:54:08,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:08,279 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:08,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:08,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2064916682, now seen corresponding path program 1 times [2023-12-23 02:54:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:08,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628337060] [2023-12-23 02:54:08,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:08,294 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 02:54:08,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:08,296 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 02:54:08,310 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 02:54:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:08,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 02:54:08,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 4472 proven. 0 refuted. 0 times theorem prover too weak. 4372 trivial. 0 not checked. [2023-12-23 02:54:09,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 02:54:09,101 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:09,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628337060] [2023-12-23 02:54:09,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628337060] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 02:54:09,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 02:54:09,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 02:54:09,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577358106] [2023-12-23 02:54:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 02:54:09,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 02:54:09,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 02:54:09,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 02:54:09,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 02:54:09,140 INFO L87 Difference]: Start difference. First operand has 185 states, 115 states have (on average 1.565217391304348) internal successors, (180), 116 states have internal predecessors, (180), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-12-23 02:54:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 02:54:09,502 INFO L93 Difference]: Finished difference Result 366 states and 691 transitions. [2023-12-23 02:54:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 02:54:09,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 415 [2023-12-23 02:54:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 02:54:09,530 INFO L225 Difference]: With dead ends: 366 [2023-12-23 02:54:09,530 INFO L226 Difference]: Without dead ends: 182 [2023-12-23 02:54:09,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 414 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 02:54:09,538 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-23 02:54:09,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-23 02:54:09,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-12-23 02:54:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2023-12-23 02:54:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 113 states have (on average 1.5044247787610618) internal successors, (170), 113 states have internal predecessors, (170), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-12-23 02:54:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 304 transitions. [2023-12-23 02:54:09,585 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 304 transitions. Word has length 415 [2023-12-23 02:54:09,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 02:54:09,586 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 304 transitions. [2023-12-23 02:54:09,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-12-23 02:54:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 304 transitions. [2023-12-23 02:54:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-12-23 02:54:09,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:09,593 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:09,614 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 02:54:09,812 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 02:54:09,813 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:09,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:09,814 INFO L85 PathProgramCache]: Analyzing trace with hash 782582992, now seen corresponding path program 1 times [2023-12-23 02:54:09,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:09,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452388031] [2023-12-23 02:54:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:09,815 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 02:54:09,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:09,816 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 02:54:09,820 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 02:54:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:10,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 02:54:10,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 4356 proven. 81 refuted. 0 times theorem prover too weak. 4407 trivial. 0 not checked. [2023-12-23 02:54:10,810 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:54:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 117 proven. 81 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2023-12-23 02:54:11,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:11,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452388031] [2023-12-23 02:54:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452388031] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 02:54:11,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 02:54:11,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-23 02:54:11,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425579825] [2023-12-23 02:54:11,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 02:54:11,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 02:54:11,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 02:54:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 02:54:11,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 02:54:11,178 INFO L87 Difference]: Start difference. First operand 182 states and 304 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (94), 2 states have call predecessors, (94), 4 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2023-12-23 02:54:12,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 02:54:12,459 INFO L93 Difference]: Finished difference Result 369 states and 612 transitions. [2023-12-23 02:54:12,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-23 02:54:12,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (94), 2 states have call predecessors, (94), 4 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) Word has length 415 [2023-12-23 02:54:12,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 02:54:12,481 INFO L225 Difference]: With dead ends: 369 [2023-12-23 02:54:12,481 INFO L226 Difference]: Without dead ends: 188 [2023-12-23 02:54:12,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 822 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 02:54:12,483 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 176 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-23 02:54:12,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 539 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-23 02:54:12,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-23 02:54:12,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2023-12-23 02:54:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 116 states have (on average 1.4655172413793103) internal successors, (170), 116 states have internal predecessors, (170), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2023-12-23 02:54:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 304 transitions. [2023-12-23 02:54:12,515 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 304 transitions. Word has length 415 [2023-12-23 02:54:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 02:54:12,518 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 304 transitions. [2023-12-23 02:54:12,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (94), 2 states have call predecessors, (94), 4 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2023-12-23 02:54:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 304 transitions. [2023-12-23 02:54:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-12-23 02:54:12,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:12,528 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:12,544 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 02:54:12,744 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 02:54:12,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:12,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:12,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1013916219, now seen corresponding path program 1 times [2023-12-23 02:54:12,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:12,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059678204] [2023-12-23 02:54:12,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:12,746 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 02:54:12,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:12,747 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 02:54:12,769 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 02:54:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:13,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 02:54:13,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:13,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 4182 proven. 72 refuted. 0 times theorem prover too weak. 4590 trivial. 0 not checked. [2023-12-23 02:54:13,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:54:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 126 proven. 72 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2023-12-23 02:54:13,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:13,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059678204] [2023-12-23 02:54:13,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059678204] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 02:54:13,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 02:54:13,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 02:54:13,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551403142] [2023-12-23 02:54:13,911 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 02:54:13,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 02:54:13,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 02:54:13,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 02:54:13,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 02:54:13,913 INFO L87 Difference]: Start difference. First operand 186 states and 304 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 2 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2023-12-23 02:54:16,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 02:54:18,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 02:54:18,161 INFO L93 Difference]: Finished difference Result 572 states and 924 transitions. [2023-12-23 02:54:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-23 02:54:18,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 2 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) Word has length 416 [2023-12-23 02:54:18,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 02:54:18,165 INFO L225 Difference]: With dead ends: 572 [2023-12-23 02:54:18,165 INFO L226 Difference]: Without dead ends: 387 [2023-12-23 02:54:18,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 824 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-12-23 02:54:18,167 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 684 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-23 02:54:18,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1014 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-23 02:54:18,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2023-12-23 02:54:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 377. [2023-12-23 02:54:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 236 states have (on average 1.4491525423728813) internal successors, (342), 236 states have internal predecessors, (342), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-12-23 02:54:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 610 transitions. [2023-12-23 02:54:18,216 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 610 transitions. Word has length 416 [2023-12-23 02:54:18,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 02:54:18,217 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 610 transitions. [2023-12-23 02:54:18,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 2 states have call successors, (91), 2 states have call predecessors, (91), 4 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2023-12-23 02:54:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 610 transitions. [2023-12-23 02:54:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-12-23 02:54:18,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:18,220 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:18,238 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 02:54:18,436 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 02:54:18,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:18,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:18,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1232770937, now seen corresponding path program 1 times [2023-12-23 02:54:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:18,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011012191] [2023-12-23 02:54:18,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:18,438 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 02:54:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:18,439 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 02:54:18,443 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 02:54:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:19,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 02:54:19,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2023-12-23 02:54:19,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 02:54:19,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011012191] [2023-12-23 02:54:19,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011012191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 02:54:19,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 02:54:19,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 02:54:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123579509] [2023-12-23 02:54:19,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 02:54:19,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 02:54:19,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 02:54:19,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 02:54:19,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 02:54:19,086 INFO L87 Difference]: Start difference. First operand 377 states and 610 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2023-12-23 02:54:19,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 02:54:19,482 INFO L93 Difference]: Finished difference Result 987 states and 1604 transitions. [2023-12-23 02:54:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 02:54:19,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 416 [2023-12-23 02:54:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 02:54:19,486 INFO L225 Difference]: With dead ends: 987 [2023-12-23 02:54:19,486 INFO L226 Difference]: Without dead ends: 611 [2023-12-23 02:54:19,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 02:54:19,488 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 186 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-23 02:54:19,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 723 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-23 02:54:19,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2023-12-23 02:54:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 607. [2023-12-23 02:54:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 390 states have (on average 1.4666666666666666) internal successors, (572), 392 states have internal predecessors, (572), 208 states have call successors, (208), 8 states have call predecessors, (208), 8 states have return successors, (208), 206 states have call predecessors, (208), 208 states have call successors, (208) [2023-12-23 02:54:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 988 transitions. [2023-12-23 02:54:19,524 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 988 transitions. Word has length 416 [2023-12-23 02:54:19,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 02:54:19,525 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 988 transitions. [2023-12-23 02:54:19,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2023-12-23 02:54:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 988 transitions. [2023-12-23 02:54:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-12-23 02:54:19,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:19,527 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:19,545 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 02:54:19,740 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 02:54:19,741 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:19,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:19,741 INFO L85 PathProgramCache]: Analyzing trace with hash 211702583, now seen corresponding path program 1 times [2023-12-23 02:54:19,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:19,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546782512] [2023-12-23 02:54:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:19,742 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 02:54:19,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:19,743 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 02:54:19,745 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 02:54:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:20,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-23 02:54:20,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 4642 proven. 183 refuted. 0 times theorem prover too weak. 4019 trivial. 0 not checked. [2023-12-23 02:54:21,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:54:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2023-12-23 02:54:21,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:21,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546782512] [2023-12-23 02:54:21,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546782512] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-23 02:54:21,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 02:54:21,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-23 02:54:21,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667942489] [2023-12-23 02:54:21,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 02:54:21,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 02:54:21,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 02:54:21,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 02:54:21,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-23 02:54:21,323 INFO L87 Difference]: Start difference. First operand 607 states and 988 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2023-12-23 02:54:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 02:54:22,086 INFO L93 Difference]: Finished difference Result 1659 states and 2706 transitions. [2023-12-23 02:54:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 02:54:22,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 416 [2023-12-23 02:54:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 02:54:22,093 INFO L225 Difference]: With dead ends: 1659 [2023-12-23 02:54:22,093 INFO L226 Difference]: Without dead ends: 1053 [2023-12-23 02:54:22,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 822 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-23 02:54:22,096 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 191 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-23 02:54:22,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 624 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-23 02:54:22,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2023-12-23 02:54:22,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1047. [2023-12-23 02:54:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 694 states have (on average 1.484149855907781) internal successors, (1030), 700 states have internal predecessors, (1030), 340 states have call successors, (340), 12 states have call predecessors, (340), 12 states have return successors, (340), 334 states have call predecessors, (340), 340 states have call successors, (340) [2023-12-23 02:54:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1710 transitions. [2023-12-23 02:54:22,155 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1710 transitions. Word has length 416 [2023-12-23 02:54:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 02:54:22,159 INFO L495 AbstractCegarLoop]: Abstraction has 1047 states and 1710 transitions. [2023-12-23 02:54:22,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2023-12-23 02:54:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1710 transitions. [2023-12-23 02:54:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-12-23 02:54:22,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:22,163 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:22,179 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 02:54:22,363 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 02:54:22,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:22,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1393953321, now seen corresponding path program 1 times [2023-12-23 02:54:22,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:22,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014580118] [2023-12-23 02:54:22,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:22,365 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 02:54:22,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:22,366 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 02:54:22,367 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 02:54:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-23 02:54:23,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 4989 proven. 234 refuted. 0 times theorem prover too weak. 3621 trivial. 0 not checked. [2023-12-23 02:54:23,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:54:24,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:24,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014580118] [2023-12-23 02:54:24,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014580118] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 02:54:24,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [291836030] [2023-12-23 02:54:24,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:24,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 02:54:24,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 02:54:24,070 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 02:54:24,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-23 02:54:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:26,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-23 02:54:26,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 4989 proven. 234 refuted. 0 times theorem prover too weak. 3621 trivial. 0 not checked. [2023-12-23 02:54:27,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:54:27,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [291836030] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 02:54:27,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 02:54:27,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2023-12-23 02:54:27,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700864043] [2023-12-23 02:54:27,546 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 02:54:27,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 02:54:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 02:54:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 02:54:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-23 02:54:27,548 INFO L87 Difference]: Start difference. First operand 1047 states and 1710 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 3 states have call successors, (67), 3 states have call predecessors, (67), 5 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2023-12-23 02:54:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 02:54:29,826 INFO L93 Difference]: Finished difference Result 2185 states and 3487 transitions. [2023-12-23 02:54:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-23 02:54:29,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 3 states have call successors, (67), 3 states have call predecessors, (67), 5 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) Word has length 416 [2023-12-23 02:54:29,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 02:54:29,851 INFO L225 Difference]: With dead ends: 2185 [2023-12-23 02:54:29,851 INFO L226 Difference]: Without dead ends: 1139 [2023-12-23 02:54:29,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1324 GetRequests, 1311 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-23 02:54:29,855 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 285 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-23 02:54:29,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 579 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-23 02:54:29,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2023-12-23 02:54:29,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1103. [2023-12-23 02:54:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 734 states have (on average 1.4332425068119892) internal successors, (1052), 740 states have internal predecessors, (1052), 340 states have call successors, (340), 28 states have call predecessors, (340), 28 states have return successors, (340), 334 states have call predecessors, (340), 340 states have call successors, (340) [2023-12-23 02:54:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1732 transitions. [2023-12-23 02:54:29,913 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1732 transitions. Word has length 416 [2023-12-23 02:54:29,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 02:54:29,914 INFO L495 AbstractCegarLoop]: Abstraction has 1103 states and 1732 transitions. [2023-12-23 02:54:29,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 3 states have call successors, (67), 3 states have call predecessors, (67), 5 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2023-12-23 02:54:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1732 transitions. [2023-12-23 02:54:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-12-23 02:54:29,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 02:54:29,917 INFO L195 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:29,938 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 02:54:30,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-23 02:54:30,336 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=3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 02:54:30,336 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 02:54:30,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 02:54:30,337 INFO L85 PathProgramCache]: Analyzing trace with hash -182664203, now seen corresponding path program 1 times [2023-12-23 02:54:30,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 02:54:30,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524434298] [2023-12-23 02:54:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:30,337 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 02:54:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 02:54:30,339 INFO L229 MonitoredProcess]: Starting monitored process 9 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 02:54:30,340 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 (9)] Waiting until timeout for monitored process [2023-12-23 02:54:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:31,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-23 02:54:31,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 5361 proven. 693 refuted. 0 times theorem prover too weak. 2790 trivial. 0 not checked. [2023-12-23 02:54:35,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:54:38,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 02:54:38,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524434298] [2023-12-23 02:54:38,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524434298] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 02:54:38,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1592875156] [2023-12-23 02:54:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 02:54:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 02:54:38,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 02:54:38,008 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 02:54:38,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-23 02:54:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 02:54:42,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-23 02:54:42,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:54:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 3492 proven. 84 refuted. 0 times theorem prover too weak. 5268 trivial. 0 not checked. [2023-12-23 02:54:54,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 02:56:40,137 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 03:03:16,720 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 03:04:47,006 WARN L293 SmtUtils]: Spent 17.27s on a formula simplification. DAG size of input: 38 DAG size of output: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 03:04:47,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1592875156] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 03:04:47,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 03:04:47,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 10] total 35 [2023-12-23 03:04:47,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420398431] [2023-12-23 03:04:47,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 03:04:47,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-12-23 03:04:47,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 03:04:47,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-12-23 03:04:47,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1630, Unknown=0, NotChecked=0, Total=1892 [2023-12-23 03:04:47,009 INFO L87 Difference]: Start difference. First operand 1103 states and 1732 transitions. Second operand has 35 states, 35 states have (on average 5.628571428571429) internal successors, (197), 34 states have internal predecessors, (197), 11 states have call successors, (134), 11 states have call predecessors, (134), 19 states have return successors, (134), 11 states have call predecessors, (134), 11 states have call successors, (134) [2023-12-23 03:05:35,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 03:05:37,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 03:05:43,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] Received shutdown request... [2023-12-23 03:08:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2023-12-23 03:08:37,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1281 GetRequests, 1123 SyntacticMatches, 2 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8572 ImplicationChecksByTransitivity, 399.9s TimeCoverageRelationStatistics Valid=4437, Invalid=20055, Unknown=0, NotChecked=0, Total=24492 [2023-12-23 03:08:37,792 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 3580 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 1421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3629 SdHoareTripleChecker+Valid, 2158 SdHoareTripleChecker+Invalid, 5885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1421 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.9s IncrementalHoareTripleChecker+Time [2023-12-23 03:08:37,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3629 Valid, 2158 Invalid, 5885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1421 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 70.9s Time] [2023-12-23 03:08:37,793 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 03:08:37,797 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 03:08:37,798 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 03:08:37,797 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 (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 03:08:37,812 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 (9)] Forceful destruction successful, exit code 0 [2023-12-23 03:08:38,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-23 03:08:38,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 03:08:38,206 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (1103states) and FLOYD_HOARE automaton (currently 130 states, 35 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 157 known predicates. [2023-12-23 03:08:38,210 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:08:38,212 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 03:08:38,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:08:38 BoogieIcfgContainer [2023-12-23 03:08:38,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 03:08:38,214 INFO L158 Benchmark]: Toolchain (without parser) took 876406.42ms. Allocated memory was 270.5MB in the beginning and 325.1MB in the end (delta: 54.5MB). Free memory was 222.9MB in the beginning and 258.1MB in the end (delta: -35.2MB). Peak memory consumption was 197.0MB. Max. memory is 8.0GB. [2023-12-23 03:08:38,214 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 217.1MB. Free memory is still 165.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 03:08:38,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.54ms. Allocated memory is still 270.5MB. Free memory was 222.9MB in the beginning and 199.5MB in the end (delta: 23.4MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-23 03:08:38,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 270.5MB. Free memory was 199.5MB in the beginning and 195.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 03:08:38,215 INFO L158 Benchmark]: Boogie Preprocessor took 79.55ms. Allocated memory is still 270.5MB. Free memory was 195.3MB in the beginning and 189.4MB in the end (delta: 5.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-23 03:08:38,215 INFO L158 Benchmark]: RCFGBuilder took 5909.85ms. Allocated memory is still 270.5MB. Free memory was 189.0MB in the beginning and 197.5MB in the end (delta: -8.5MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2023-12-23 03:08:38,215 INFO L158 Benchmark]: TraceAbstraction took 870014.25ms. Allocated memory was 270.5MB in the beginning and 325.1MB in the end (delta: 54.5MB). Free memory was 197.0MB in the beginning and 258.1MB in the end (delta: -61.2MB). Peak memory consumption was 170.0MB. Max. memory is 8.0GB. [2023-12-23 03:08:38,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 217.1MB. Free memory is still 165.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 325.54ms. Allocated memory is still 270.5MB. Free memory was 222.9MB in the beginning and 199.5MB in the end (delta: 23.4MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 270.5MB. Free memory was 199.5MB in the beginning and 195.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 79.55ms. Allocated memory is still 270.5MB. Free memory was 195.3MB in the beginning and 189.4MB in the end (delta: 5.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 5909.85ms. Allocated memory is still 270.5MB. Free memory was 189.0MB in the beginning and 197.5MB in the end (delta: -8.5MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * TraceAbstraction took 870014.25ms. Allocated memory was 270.5MB in the beginning and 325.1MB in the end (delta: 54.5MB). Free memory was 197.0MB in the beginning and 258.1MB in the end (delta: -61.2MB). Peak memory consumption was 170.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was constructing difference of abstraction (1103states) and FLOYD_HOARE automaton (currently 130 states, 35 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 157 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 185 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 870.0s, OverallIterations: 7, TraceHistogramMax: 67, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 240.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5256 SdHoareTripleChecker+Valid, 79.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5102 mSDsluCounter, 5938 SdHoareTripleChecker+Invalid, 73.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3781 mSDsCounter, 1763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6273 IncrementalHoareTripleChecker+Invalid, 8036 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1763 mSolverCounterUnsat, 2157 mSDtfsCounter, 6273 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5938 GetRequests, 5730 SyntacticMatches, 4 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8656 ImplicationChecksByTransitivity, 400.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1103occurred in iteration=6, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 58 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 10.1s SatisfiabilityAnalysisTime, 616.5s InterpolantComputationTime, 3742 NumberOfCodeBlocks, 3742 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 4977 ConstructedInterpolants, 12 QuantifiedInterpolants, 25555 SizeOfPredicates, 39 NumberOfNonLiveVariables, 5947 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 104394/106128 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