/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-45.i


--------------------------------------------------------------------------------


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 00:12:37,113 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 00:12:37,169 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 00:12:37,177 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 00:12:37,178 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 00:12:37,204 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 00:12:37,205 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 00:12:37,205 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 00:12:37,206 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 00:12:37,206 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 00:12:37,206 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 00:12:37,206 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 00:12:37,207 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 00:12:37,207 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 00:12:37,207 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 00:12:37,207 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 00:12:37,208 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 00:12:37,217 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 00:12:37,217 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 00:12:37,219 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 00:12:37,221 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 00:12:37,222 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 00:12:37,222 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 00:12:37,222 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 00:12:37,222 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 00:12:37,222 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 00:12:37,223 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 00:12:37,223 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 00:12:37,223 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 00:12:37,223 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 00:12:37,223 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 00:12:37,224 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 00:12:37,224 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:12:37,225 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 00:12:37,225 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 00:12:37,226 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 00:12:37,226 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 00:12:37,226 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 00:12:37,226 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 00:12:37,226 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 00:12:37,226 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 00:12:37,435 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 00:12:37,458 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 00:12:37,461 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 00:12:37,462 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 00:12:37,462 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 00:12:37,464 INFO  L431   ainManager$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-45.i
[2023-12-23 00:12:38,714 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 00:12:38,916 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 00:12:38,916 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-45.i
[2023-12-23 00:12:38,928 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e0c8f1f/927357b306ba48048c1d9b566d44ab4b/FLAG82380113c
[2023-12-23 00:12:38,941 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e0c8f1f/927357b306ba48048c1d9b566d44ab4b
[2023-12-23 00:12:38,943 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 00:12:38,944 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 00:12:38,945 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 00:12:38,945 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 00:12:38,949 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 00:12:38,949 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:12:38" (1/1) ...
[2023-12-23 00:12:38,950 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6965e9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:38, skipping insertion in model container
[2023-12-23 00:12:38,950 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:12:38" (1/1) ...
[2023-12-23 00:12:38,980 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 00:12:39,108 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-45.i[916,929]
[2023-12-23 00:12:39,222 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:12:39,238 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 00:12:39,250 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-45.i[916,929]
[2023-12-23 00:12:39,290 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:12:39,305 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 00:12:39,305 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39 WrapperNode
[2023-12-23 00:12:39,306 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 00:12:39,307 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 00:12:39,307 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 00:12:39,307 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 00:12:39,313 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,339 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,382 INFO  L138                Inliner]: procedures = 27, calls = 82, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342
[2023-12-23 00:12:39,383 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 00:12:39,383 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 00:12:39,384 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 00:12:39,384 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 00:12:39,401 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,401 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,419 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,440 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 00:12:39,441 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,441 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,461 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,464 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,467 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,481 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,489 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 00:12:39,490 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 00:12:39,490 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 00:12:39,490 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 00:12:39,490 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (1/1) ...
[2023-12-23 00:12:39,497 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:12:39,507 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 00:12:39,554 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 00:12:39,568 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 00:12:39,592 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 00:12:39,592 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 00:12:39,592 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 00:12:39,594 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 00:12:39,594 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 00:12:39,594 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 00:12:39,714 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 00:12:39,717 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 00:12:42,623 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 00:12:42,762 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 00:12:42,763 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 00:12:42,763 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:12:42 BoogieIcfgContainer
[2023-12-23 00:12:42,763 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 00:12:42,780 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 00:12:42,780 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 00:12:42,783 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 00:12:42,784 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:12:38" (1/3) ...
[2023-12-23 00:12:42,785 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e065903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:12:42, skipping insertion in model container
[2023-12-23 00:12:42,785 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:12:39" (2/3) ...
[2023-12-23 00:12:42,785 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e065903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:12:42, skipping insertion in model container
[2023-12-23 00:12:42,785 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:12:42" (3/3) ...
[2023-12-23 00:12:42,787 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-45.i
[2023-12-23 00:12:42,819 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 00:12:42,820 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 00:12:42,923 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 00:12:42,931 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;@58825e06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 00:12:42,931 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 00:12:42,938 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 152 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69)
[2023-12-23 00:12:43,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 411
[2023-12-23 00:12:43,006 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:12:43,008 INFO  L195           NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:43,008 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:12:43,032 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:12:43,033 INFO  L85        PathProgramCache]: Analyzing trace with hash 117023505, now seen corresponding path program 1 times
[2023-12-23 00:12:43,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:12:43,048 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7611775]
[2023-12-23 00:12:43,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:12:43,048 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 00:12:43,048 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:12:43,051 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 00:12:43,054 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 00:12:43,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:12:43,523 INFO  L262         TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 00:12:43,557 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:12:43,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 9384 backedges. 4616 proven. 0 refuted. 0 times theorem prover too weak. 4768 trivial. 0 not checked.
[2023-12-23 00:12:43,650 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:12:43,650 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:12:43,651 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7611775]
[2023-12-23 00:12:43,651 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [7611775] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:12:43,651 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:12:43,651 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:12:43,656 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099021911]
[2023-12-23 00:12:43,658 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:12:43,667 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 00:12:43,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:12:43,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 00:12:43,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:12:43,698 INFO  L87              Difference]: Start difference. First operand  has 152 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) Second operand  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69)
[2023-12-23 00:12:43,805 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:12:43,805 INFO  L93              Difference]: Finished difference Result 301 states and 565 transitions.
[2023-12-23 00:12:43,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 00:12:43,815 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 410
[2023-12-23 00:12:43,815 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:12:43,821 INFO  L225             Difference]: With dead ends: 301
[2023-12-23 00:12:43,822 INFO  L226             Difference]: Without dead ends: 150
[2023-12-23 00:12:43,828 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 409 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 00:12:43,830 INFO  L413           NwaCegarLoop]: 241 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, 241 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 00:12:43,831 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 00:12:43,844 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2023-12-23 00:12:43,894 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150.
[2023-12-23 00:12:43,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 150 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69)
[2023-12-23 00:12:43,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 244 transitions.
[2023-12-23 00:12:43,898 INFO  L78                 Accepts]: Start accepts. Automaton has 150 states and 244 transitions. Word has length 410
[2023-12-23 00:12:43,899 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:12:43,899 INFO  L495      AbstractCegarLoop]: Abstraction has 150 states and 244 transitions.
[2023-12-23 00:12:43,899 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69)
[2023-12-23 00:12:43,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 244 transitions.
[2023-12-23 00:12:43,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 411
[2023-12-23 00:12:43,914 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:12:43,914 INFO  L195           NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:43,936 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 00:12:44,132 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 00:12:44,133 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:12:44,134 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:12:44,134 INFO  L85        PathProgramCache]: Analyzing trace with hash -1934477737, now seen corresponding path program 1 times
[2023-12-23 00:12:44,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:12:44,136 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642747256]
[2023-12-23 00:12:44,136 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:12:44,136 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 00:12:44,136 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:12:44,139 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 00:12:44,171 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 00:12:44,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:12:44,732 INFO  L262         TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 00:12:44,745 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:12:45,989 INFO  L134       CoverageAnalysis]: Checked inductivity of 9384 backedges. 3120 proven. 162 refuted. 0 times theorem prover too weak. 6102 trivial. 0 not checked.
[2023-12-23 00:12:45,990 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 00:12:46,776 INFO  L134       CoverageAnalysis]: Checked inductivity of 9384 backedges. 42 proven. 162 refuted. 0 times theorem prover too weak. 9180 trivial. 0 not checked.
[2023-12-23 00:12:46,777 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:12:46,777 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642747256]
[2023-12-23 00:12:46,778 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642747256] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 00:12:46,778 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 00:12:46,778 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2023-12-23 00:12:46,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461655991]
[2023-12-23 00:12:46,778 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 00:12:46,781 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-12-23 00:12:46,781 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:12:46,783 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-12-23 00:12:46,783 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2023-12-23 00:12:46,783 INFO  L87              Difference]: Start difference. First operand 150 states and 244 transitions. Second operand  has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 2 states have call successors, (123), 2 states have call predecessors, (123), 4 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124)
[2023-12-23 00:12:48,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:12:48,493 INFO  L93              Difference]: Finished difference Result 304 states and 490 transitions.
[2023-12-23 00:12:48,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-23 00:12:48,494 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 2 states have call successors, (123), 2 states have call predecessors, (123), 4 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) Word has length 410
[2023-12-23 00:12:48,497 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:12:48,499 INFO  L225             Difference]: With dead ends: 304
[2023-12-23 00:12:48,499 INFO  L226             Difference]: Without dead ends: 155
[2023-12-23 00:12:48,501 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 811 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210
[2023-12-23 00:12:48,502 INFO  L413           NwaCegarLoop]: 161 mSDtfsCounter, 357 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2023-12-23 00:12:48,502 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 342 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2023-12-23 00:12:48,503 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2023-12-23 00:12:48,535 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153.
[2023-12-23 00:12:48,536 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 81 states have (on average 1.2839506172839505) internal successors, (104), 81 states have internal predecessors, (104), 69 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69)
[2023-12-23 00:12:48,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 242 transitions.
[2023-12-23 00:12:48,538 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 242 transitions. Word has length 410
[2023-12-23 00:12:48,539 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:12:48,539 INFO  L495      AbstractCegarLoop]: Abstraction has 153 states and 242 transitions.
[2023-12-23 00:12:48,540 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 2 states have call successors, (123), 2 states have call predecessors, (123), 4 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124)
[2023-12-23 00:12:48,540 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 242 transitions.
[2023-12-23 00:12:48,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 412
[2023-12-23 00:12:48,544 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:12:48,544 INFO  L195           NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:48,562 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 00:12:48,759 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 00:12:48,760 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:12:48,760 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:12:48,761 INFO  L85        PathProgramCache]: Analyzing trace with hash 142834862, now seen corresponding path program 1 times
[2023-12-23 00:12:48,762 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:12:48,762 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123977983]
[2023-12-23 00:12:48,762 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:12:48,762 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 00:12:48,763 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:12:48,764 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 00:12:48,773 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 00:12:49,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:12:49,276 INFO  L262         TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:12:49,288 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:12:49,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 9384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked.
[2023-12-23 00:12:49,391 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:12:49,391 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:12:49,391 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123977983]
[2023-12-23 00:12:49,391 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123977983] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:12:49,391 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:12:49,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 00:12:49,392 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456533966]
[2023-12-23 00:12:49,392 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:12:49,392 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:12:49,393 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:12:49,393 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:12:49,393 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:12:49,394 INFO  L87              Difference]: Start difference. First operand 153 states and 242 transitions. Second operand  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69)
[2023-12-23 00:12:49,540 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:12:49,541 INFO  L93              Difference]: Finished difference Result 305 states and 483 transitions.
[2023-12-23 00:12:49,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:12:49,550 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) Word has length 411
[2023-12-23 00:12:49,555 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:12:49,562 INFO  L225             Difference]: With dead ends: 305
[2023-12-23 00:12:49,569 INFO  L226             Difference]: Without dead ends: 153
[2023-12-23 00:12:49,570 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 409 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 00:12:49,572 INFO  L413           NwaCegarLoop]: 234 mSDtfsCounter, 2 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 00:12:49,572 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 464 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 00:12:49,573 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2023-12-23 00:12:49,592 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2023-12-23 00:12:49,592 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 81 states have (on average 1.271604938271605) internal successors, (103), 81 states have internal predecessors, (103), 69 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69)
[2023-12-23 00:12:49,594 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 241 transitions.
[2023-12-23 00:12:49,594 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 241 transitions. Word has length 411
[2023-12-23 00:12:49,595 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:12:49,595 INFO  L495      AbstractCegarLoop]: Abstraction has 153 states and 241 transitions.
[2023-12-23 00:12:49,595 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69)
[2023-12-23 00:12:49,595 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 241 transitions.
[2023-12-23 00:12:49,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 413
[2023-12-23 00:12:49,599 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:12:49,600 INFO  L195           NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:49,612 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 00:12:49,812 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 00:12:49,813 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:12:49,814 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:12:49,814 INFO  L85        PathProgramCache]: Analyzing trace with hash 120467744, now seen corresponding path program 1 times
[2023-12-23 00:12:49,815 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:12:49,815 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722591731]
[2023-12-23 00:12:49,815 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:12:49,815 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 00:12:49,815 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:12:49,816 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 00:12:49,847 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 00:12:50,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:12:50,404 INFO  L262         TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-23 00:12:50,414 INFO  L285         TraceCheckSpWp]: Computing forward predicates...