/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-100_file-91.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 00:49:42,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 00:49:42,727 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 00:49:42,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 00:49:42,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 00:49:42,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 00:49:42,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 00:49:42,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 00:49:42,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 00:49:42,755 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 00:49:42,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 00:49:42,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 00:49:42,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 00:49:42,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 00:49:42,757 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 00:49:42,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 00:49:42,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 00:49:42,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 00:49:42,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 00:49:42,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 00:49:42,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 00:49:42,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 00:49:42,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 00:49:42,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 00:49:42,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 00:49:42,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 00:49:42,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 00:49:42,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 00:49:42,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 00:49:42,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 00:49:42,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 00:49:42,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 00:49:42,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 00:49:42,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 00:49:42,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:49:42,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 00:49:42,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 00:49:42,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 00:49:42,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 00:49:42,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 00:49:42,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 00:49:42,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 00:49:42,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 00:49:42,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 00:49:42,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 00:49:42,764 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 00:49:42,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 00:49:42,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 00:49:43,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 00:49:43,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 00:49:43,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 00:49:43,006 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 00:49:43,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-91.i [2023-12-23 00:49:44,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 00:49:44,464 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 00:49:44,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-91.i [2023-12-23 00:49:44,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19de4968/aa4683d5c7ea42f292f757e69152e07c/FLAG504e2dea9 [2023-12-23 00:49:44,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19de4968/aa4683d5c7ea42f292f757e69152e07c [2023-12-23 00:49:44,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 00:49:44,489 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 00:49:44,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 00:49:44,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 00:49:44,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 00:49:44,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:44,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3915d70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44, skipping insertion in model container [2023-12-23 00:49:44,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:44,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 00:49:44,698 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-100_file-91.i[916,929] [2023-12-23 00:49:44,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:49:44,814 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 00:49:44,826 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-100_file-91.i[916,929] [2023-12-23 00:49:44,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:49:44,918 INFO L206 MainTranslator]: Completed translation [2023-12-23 00:49:44,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44 WrapperNode [2023-12-23 00:49:44,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 00:49:44,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 00:49:44,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 00:49:44,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 00:49:44,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:44,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:44,988 INFO L138 Inliner]: procedures = 27, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 345 [2023-12-23 00:49:44,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 00:49:44,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 00:49:44,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 00:49:44,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 00:49:45,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,042 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 00:49:45,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 00:49:45,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 00:49:45,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 00:49:45,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 00:49:45,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (1/1) ... [2023-12-23 00:49:45,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:49:45,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 00:49:45,118 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 00:49:45,128 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 00:49:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 00:49:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 00:49:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 00:49:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 00:49:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 00:49:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 00:49:45,272 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 00:49:45,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 00:49:48,913 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 00:49:48,961 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 00:49:48,962 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 00:49:48,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:49:48 BoogieIcfgContainer [2023-12-23 00:49:48,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 00:49:48,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 00:49:48,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 00:49:48,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 00:49:48,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:49:44" (1/3) ... [2023-12-23 00:49:48,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e4ac2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:49:48, skipping insertion in model container [2023-12-23 00:49:48,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:49:44" (2/3) ... [2023-12-23 00:49:48,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e4ac2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:49:48, skipping insertion in model container [2023-12-23 00:49:48,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:49:48" (3/3) ... [2023-12-23 00:49:48,969 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-91.i [2023-12-23 00:49:48,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 00:49:48,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 00:49:49,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 00:49:49,048 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;@67732970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 00:49:49,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 00:49:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-23 00:49:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2023-12-23 00:49:49,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:49:49,081 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:49,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:49:49,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:49:49,087 INFO L85 PathProgramCache]: Analyzing trace with hash -219698514, now seen corresponding path program 1 times [2023-12-23 00:49:49,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:49:49,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820255807] [2023-12-23 00:49:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:49:49,104 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 00:49:49,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:49:49,108 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 00:49:49,111 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 00:49:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:49:49,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 00:49:49,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:49:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 4224 proven. 0 refuted. 0 times theorem prover too weak. 4096 trivial. 0 not checked. [2023-12-23 00:49:49,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:49:49,901 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:49:49,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820255807] [2023-12-23 00:49:49,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820255807] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:49:49,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:49:49,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 00:49:49,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142896758] [2023-12-23 00:49:49,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:49:49,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 00:49:49,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:49:49,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 00:49:49,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 00:49:49,936 INFO L87 Difference]: Start difference. First operand has 150 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 83 states have internal predecessors, (117), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2023-12-23 00:49:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:49:50,104 INFO L93 Difference]: Finished difference Result 297 states and 557 transitions. [2023-12-23 00:49:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 00:49:50,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 388 [2023-12-23 00:49:50,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:49:50,125 INFO L225 Difference]: With dead ends: 297 [2023-12-23 00:49:50,126 INFO L226 Difference]: Without dead ends: 148 [2023-12-23 00:49:50,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 387 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 00:49:50,134 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-23 00:49:50,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-23 00:49:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-23 00:49:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-12-23 00:49:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-23 00:49:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 242 transitions. [2023-12-23 00:49:50,190 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 242 transitions. Word has length 388 [2023-12-23 00:49:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:49:50,190 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 242 transitions. [2023-12-23 00:49:50,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2023-12-23 00:49:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2023-12-23 00:49:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2023-12-23 00:49:50,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:49:50,200 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:50,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 00:49:50,419 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 00:49:50,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:49:50,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:49:50,420 INFO L85 PathProgramCache]: Analyzing trace with hash -258544532, now seen corresponding path program 1 times [2023-12-23 00:49:50,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:49:50,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667710888] [2023-12-23 00:49:50,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:49:50,422 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 00:49:50,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:49:50,424 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 00:49:50,425 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 00:49:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:49:51,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-23 00:49:51,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:49:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 4433 proven. 315 refuted. 0 times theorem prover too weak. 3572 trivial. 0 not checked. [2023-12-23 00:49:53,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:49:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 243 proven. 324 refuted. 0 times theorem prover too weak. 7753 trivial. 0 not checked. [2023-12-23 00:49:55,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:49:55,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667710888] [2023-12-23 00:49:55,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667710888] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:49:55,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 00:49:55,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2023-12-23 00:49:55,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830679032] [2023-12-23 00:49:55,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 00:49:55,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-23 00:49:55,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:49:55,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-23 00:49:55,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-12-23 00:49:55,265 INFO L87 Difference]: Start difference. First operand 148 states and 242 transitions. Second operand has 19 states, 19 states have (on average 5.315789473684211) internal successors, (101), 19 states have internal predecessors, (101), 4 states have call successors, (103), 4 states have call predecessors, (103), 10 states have return successors, (104), 4 states have call predecessors, (104), 4 states have call successors, (104) [2023-12-23 00:50:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:50:01,716 INFO L93 Difference]: Finished difference Result 686 states and 1081 transitions. [2023-12-23 00:50:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-23 00:50:01,717 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.315789473684211) internal successors, (101), 19 states have internal predecessors, (101), 4 states have call successors, (103), 4 states have call predecessors, (103), 10 states have return successors, (104), 4 states have call predecessors, (104), 4 states have call successors, (104) Word has length 388 [2023-12-23 00:50:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:50:01,724 INFO L225 Difference]: With dead ends: 686 [2023-12-23 00:50:01,724 INFO L226 Difference]: Without dead ends: 539 [2023-12-23 00:50:01,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 764 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1108, Invalid=3314, Unknown=0, NotChecked=0, Total=4422 [2023-12-23 00:50:01,728 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 701 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-23 00:50:01,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 1232 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-23 00:50:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2023-12-23 00:50:01,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 364. [2023-12-23 00:50:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 199 states have (on average 1.321608040201005) internal successors, (263), 201 states have internal predecessors, (263), 156 states have call successors, (156), 8 states have call predecessors, (156), 8 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2023-12-23 00:50:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 575 transitions. [2023-12-23 00:50:01,863 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 575 transitions. Word has length 388 [2023-12-23 00:50:01,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:50:01,869 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 575 transitions. [2023-12-23 00:50:01,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.315789473684211) internal successors, (101), 19 states have internal predecessors, (101), 4 states have call successors, (103), 4 states have call predecessors, (103), 10 states have return successors, (104), 4 states have call predecessors, (104), 4 states have call successors, (104) [2023-12-23 00:50:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 575 transitions. [2023-12-23 00:50:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2023-12-23 00:50:01,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:50:01,874 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:50:01,894 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 00:50:02,088 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 00:50:02,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:50:02,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:50:02,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1726027122, now seen corresponding path program 1 times [2023-12-23 00:50:02,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:50:02,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36454410] [2023-12-23 00:50:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:50:02,091 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 00:50:02,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:50:02,093 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 00:50:02,095 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 00:50:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:50:02,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 00:50:02,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:50:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 3522 proven. 135 refuted. 0 times theorem prover too weak. 4663 trivial. 0 not checked. [2023-12-23 00:50:03,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:50:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 57 proven. 135 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-12-23 00:50:03,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:50:03,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36454410] [2023-12-23 00:50:03,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36454410] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:50:03,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 00:50:03,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 00:50:03,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244520603] [2023-12-23 00:50:03,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 00:50:03,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 00:50:03,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:50:03,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 00:50:03,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 00:50:03,894 INFO L87 Difference]: Start difference. First operand 364 states and 575 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (110), 2 states have call predecessors, (110), 4 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2023-12-23 00:50:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:50:06,152 INFO L93 Difference]: Finished difference Result 854 states and 1332 transitions. [2023-12-23 00:50:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-23 00:50:06,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (110), 2 states have call predecessors, (110), 4 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) Word has length 389 [2023-12-23 00:50:06,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:50:06,159 INFO L225 Difference]: With dead ends: 854 [2023-12-23 00:50:06,159 INFO L226 Difference]: Without dead ends: 531 [2023-12-23 00:50:06,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 770 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 00:50:06,161 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 194 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-23 00:50:06,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 847 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-23 00:50:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-12-23 00:50:06,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 296. [2023-12-23 00:50:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 155 states have (on average 1.2258064516129032) internal successors, (190), 156 states have internal predecessors, (190), 130 states have call successors, (130), 10 states have call predecessors, (130), 10 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) [2023-12-23 00:50:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 450 transitions. [2023-12-23 00:50:06,229 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 450 transitions. Word has length 389 [2023-12-23 00:50:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:50:06,230 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 450 transitions. [2023-12-23 00:50:06,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (110), 2 states have call predecessors, (110), 4 states have return successors, (111), 2 states have call predecessors, (111), 2 states have call successors, (111) [2023-12-23 00:50:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 450 transitions. [2023-12-23 00:50:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2023-12-23 00:50:06,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:50:06,233 INFO L195 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:50:06,255 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 00:50:06,452 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 00:50:06,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:50:06,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:50:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash -314220729, now seen corresponding path program 1 times [2023-12-23 00:50:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:50:06,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320320984] [2023-12-23 00:50:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:50:06,455 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 00:50:06,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:50:06,456 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 00:50:06,472 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 00:50:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:50:07,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-23 00:50:07,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-23 01:03:16,059 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 01:03:16,059 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 01:03:17,296 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 01:03:17,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-23 01:03:18,923 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 01:03:18,924 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 391 with TraceHistMax 65,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-21-2-2-2-2-2-2-2-3-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-70-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-1 context. [2023-12-23 01:03:18,928 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 01:03:18,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 01:03:18,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:03:18 BoogieIcfgContainer [2023-12-23 01:03:18,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 01:03:18,933 INFO L158 Benchmark]: Toolchain (without parser) took 814444.16ms. Allocated memory was 284.2MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 233.1MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 7.6GB. Max. memory is 8.0GB. [2023-12-23 01:03:18,933 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 01:03:18,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.88ms. Allocated memory is still 284.2MB. Free memory was 233.1MB in the beginning and 213.9MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-23 01:03:18,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.57ms. Allocated memory is still 284.2MB. Free memory was 213.9MB in the beginning and 210.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 01:03:18,934 INFO L158 Benchmark]: Boogie Preprocessor took 98.31ms. Allocated memory is still 284.2MB. Free memory was 210.4MB in the beginning and 205.5MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-23 01:03:18,935 INFO L158 Benchmark]: RCFGBuilder took 3873.36ms. Allocated memory is still 284.2MB. Free memory was 205.5MB in the beginning and 231.3MB in the end (delta: -25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-23 01:03:18,935 INFO L158 Benchmark]: TraceAbstraction took 809968.49ms. Allocated memory was 284.2MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 230.2MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 7.6GB. Max. memory is 8.0GB. [2023-12-23 01:03:18,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.88ms. Allocated memory is still 284.2MB. Free memory was 233.1MB in the beginning and 213.9MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.57ms. Allocated memory is still 284.2MB. Free memory was 213.9MB in the beginning and 210.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.31ms. Allocated memory is still 284.2MB. Free memory was 210.4MB in the beginning and 205.5MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 3873.36ms. Allocated memory is still 284.2MB. Free memory was 205.5MB in the beginning and 231.3MB in the end (delta: -25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 809968.49ms. Allocated memory was 284.2MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 230.2MB in the beginning and 4.4GB in the end (delta: -4.1GB). Peak memory consumption was 7.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 391 with TraceHistMax 65,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-21-2-2-2-2-2-2-2-3-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-70-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 809.9s, OverallIterations: 4, TraceHistogramMax: 65, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 942 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 895 mSDsluCounter, 2318 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1453 mSDsCounter, 769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2757 IncrementalHoareTripleChecker+Invalid, 3526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 769 mSolverCounterUnsat, 865 mSDtfsCounter, 2757 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2005 GetRequests, 1921 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1474 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=2, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 410 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1165 NumberOfCodeBlocks, 1165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1937 ConstructedInterpolants, 0 QuantifiedInterpolants, 6388 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1840 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 40691/41600 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