/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-89.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 09:06:35,128 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 09:06:35,199 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 09:06:35,203 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 09:06:35,207 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 09:06:35,228 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 09:06:35,228 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 09:06:35,228 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 09:06:35,229 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 09:06:35,231 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 09:06:35,232 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 09:06:35,232 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 09:06:35,232 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 09:06:35,233 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 09:06:35,233 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 09:06:35,234 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 09:06:35,234 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 09:06:35,234 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 09:06:35,234 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 09:06:35,234 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 09:06:35,235 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 09:06:35,236 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 09:06:35,236 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 09:06:35,236 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 09:06:35,236 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 09:06:35,236 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 09:06:35,236 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 09:06:35,237 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 09:06:35,237 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 09:06:35,237 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 09:06:35,238 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 09:06:35,238 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 09:06:35,238 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 09:06:35,238 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 09:06:35,238 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 09:06:35,238 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 09:06:35,238 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 09:06:35,238 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 09:06:35,239 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 09:06:35,240 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 09:06:35,240 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 09:06:35,420 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 09:06:35,434 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 09:06:35,435 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 09:06:35,436 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 09:06:35,438 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 09:06:35,439 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-89.i
[2023-12-23 09:06:36,425 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 09:06:36,575 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 09:06:36,576 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-89.i
[2023-12-23 09:06:36,584 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0289e4680/7efcf19de12d4ffd94084f177bc26eb0/FLAG7311e09fc
[2023-12-23 09:06:36,593 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0289e4680/7efcf19de12d4ffd94084f177bc26eb0
[2023-12-23 09:06:36,595 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 09:06:36,596 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 09:06:36,596 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 09:06:36,597 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 09:06:36,599 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 09:06:36,600 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,600 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390105f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36, skipping insertion in model container
[2023-12-23 09:06:36,601 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,627 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 09:06:36,717 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-89.i[919,932]
[2023-12-23 09:06:36,764 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 09:06:36,774 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 09:06:36,782 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-89.i[919,932]
[2023-12-23 09:06:36,817 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 09:06:36,833 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 09:06:36,834 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36 WrapperNode
[2023-12-23 09:06:36,834 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 09:06:36,841 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 09:06:36,841 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 09:06:36,841 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 09:06:36,845 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,854 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,881 INFO  L138                Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221
[2023-12-23 09:06:36,881 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 09:06:36,882 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 09:06:36,882 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 09:06:36,882 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 09:06:36,893 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,893 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,896 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,906 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 09:06:36,906 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,906 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,913 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,916 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,918 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,919 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,922 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 09:06:36,923 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 09:06:36,923 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 09:06:36,923 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 09:06:36,923 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (1/1) ...
[2023-12-23 09:06:36,927 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 09:06:36,937 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 09:06:36,951 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 09:06:36,953 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 09:06:36,969 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 09:06:36,970 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 09:06:36,970 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 09:06:36,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 09:06:36,970 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 09:06:36,970 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 09:06:37,029 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 09:06:37,031 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 09:06:39,824 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 09:06:39,881 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 09:06:39,881 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 09:06:39,882 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:06:39 BoogieIcfgContainer
[2023-12-23 09:06:39,882 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 09:06:39,883 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 09:06:39,883 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 09:06:39,887 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 09:06:39,887 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:06:36" (1/3) ...
[2023-12-23 09:06:39,888 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22166d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:06:39, skipping insertion in model container
[2023-12-23 09:06:39,888 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:06:36" (2/3) ...
[2023-12-23 09:06:39,888 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22166d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:06:39, skipping insertion in model container
[2023-12-23 09:06:39,889 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:06:39" (3/3) ...
[2023-12-23 09:06:39,889 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-89.i
[2023-12-23 09:06:39,902 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 09:06:39,902 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 09:06:39,946 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 09:06:39,951 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;@113b7c4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 09:06:39,952 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 09:06:39,955 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 94 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 57 states have internal predecessors, (86), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-23 09:06:39,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-12-23 09:06:39,984 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:06:39,985 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:39,985 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:06:39,989 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:06:39,989 INFO  L85        PathProgramCache]: Analyzing trace with hash 1771067674, now seen corresponding path program 1 times
[2023-12-23 09:06:39,999 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:06:40,000 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542973541]
[2023-12-23 09:06:40,000 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:06:40,000 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 09:06:40,000 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:06:40,002 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 09:06:40,005 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 09:06:40,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:06:40,416 INFO  L262         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 09:06:40,425 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:06:40,461 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked.
[2023-12-23 09:06:40,461 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 09:06:40,462 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:06:40,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542973541]
[2023-12-23 09:06:40,462 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [542973541] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 09:06:40,463 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 09:06:40,463 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 09:06:40,464 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497198478]
[2023-12-23 09:06:40,464 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 09:06:40,467 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 09:06:40,468 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:06:40,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 09:06:40,485 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 09:06:40,487 INFO  L87              Difference]: Start difference. First operand  has 94 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 57 states have internal predecessors, (86), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2023-12-23 09:06:40,653 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:06:40,653 INFO  L93              Difference]: Finished difference Result 185 states and 345 transitions.
[2023-12-23 09:06:40,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 09:06:40,667 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 214
[2023-12-23 09:06:40,667 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:06:40,672 INFO  L225             Difference]: With dead ends: 185
[2023-12-23 09:06:40,673 INFO  L226             Difference]: Without dead ends: 92
[2023-12-23 09:06:40,675 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 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 09:06:40,677 INFO  L413           NwaCegarLoop]: 148 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, 148 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 09:06:40,678 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 09:06:40,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2023-12-23 09:06:40,707 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2023-12-23 09:06:40,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-23 09:06:40,709 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 151 transitions.
[2023-12-23 09:06:40,710 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 151 transitions. Word has length 214
[2023-12-23 09:06:40,710 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:06:40,710 INFO  L495      AbstractCegarLoop]: Abstraction has 92 states and 151 transitions.
[2023-12-23 09:06:40,711 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2023-12-23 09:06:40,711 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions.
[2023-12-23 09:06:40,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-12-23 09:06:40,714 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:06:40,714 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:40,727 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 09:06:40,916 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 09:06:40,917 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:06:40,917 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:06:40,917 INFO  L85        PathProgramCache]: Analyzing trace with hash 1925056220, now seen corresponding path program 1 times
[2023-12-23 09:06:40,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:06:40,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350860354]
[2023-12-23 09:06:40,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:06:40,918 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 09:06:40,919 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:06:40,920 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 09:06:40,921 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 09:06:41,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:06:41,272 INFO  L262         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 09:06:41,277 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:06:41,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2023-12-23 09:06:41,777 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 09:06:41,777 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:06:41,777 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350860354]
[2023-12-23 09:06:41,777 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350860354] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 09:06:41,778 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 09:06:41,778 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 09:06:41,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005348186]
[2023-12-23 09:06:41,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 09:06:41,779 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 09:06:41,779 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:06:41,780 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 09:06:41,780 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 09:06:41,780 INFO  L87              Difference]: Start difference. First operand 92 states and 151 transitions. Second operand  has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2023-12-23 09:06:41,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:06:41,981 INFO  L93              Difference]: Finished difference Result 272 states and 447 transitions.
[2023-12-23 09:06:41,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 09:06:41,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 214
[2023-12-23 09:06:41,985 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:06:41,986 INFO  L225             Difference]: With dead ends: 272
[2023-12-23 09:06:41,986 INFO  L226             Difference]: Without dead ends: 181
[2023-12-23 09:06:41,987 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 09:06:41,988 INFO  L413           NwaCegarLoop]: 144 mSDtfsCounter, 43 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 09:06:41,988 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 283 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 09:06:41,989 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2023-12-23 09:06:42,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177.
[2023-12-23 09:06:42,027 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 177 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 104 states have internal predecessors, (149), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70)
[2023-12-23 09:06:42,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 289 transitions.
[2023-12-23 09:06:42,030 INFO  L78                 Accepts]: Start accepts. Automaton has 177 states and 289 transitions. Word has length 214
[2023-12-23 09:06:42,031 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:06:42,031 INFO  L495      AbstractCegarLoop]: Abstraction has 177 states and 289 transitions.
[2023-12-23 09:06:42,032 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2023-12-23 09:06:42,032 INFO  L276                IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions.
[2023-12-23 09:06:42,037 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-12-23 09:06:42,038 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:06:42,038 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:42,054 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 09:06:42,250 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 09:06:42,250 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:06:42,251 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:06:42,251 INFO  L85        PathProgramCache]: Analyzing trace with hash -2126893730, now seen corresponding path program 1 times
[2023-12-23 09:06:42,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:06:42,252 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60301795]
[2023-12-23 09:06:42,252 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:06:42,252 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 09:06:42,252 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:06:42,253 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 09:06:42,271 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 09:06:42,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:06:42,583 INFO  L262         TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 09:06:42,587 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:06:42,604 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2023-12-23 09:06:42,604 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 09:06:42,604 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:06:42,604 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60301795]
[2023-12-23 09:06:42,605 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [60301795] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 09:06:42,605 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 09:06:42,605 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 09:06:42,605 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007649424]
[2023-12-23 09:06:42,605 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 09:06:42,606 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 09:06:42,606 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:06:42,606 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 09:06:42,606 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 09:06:42,607 INFO  L87              Difference]: Start difference. First operand 177 states and 289 transitions. Second operand  has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2023-12-23 09:06:42,794 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:06:42,794 INFO  L93              Difference]: Finished difference Result 453 states and 734 transitions.
[2023-12-23 09:06:42,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 09:06:42,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 214
[2023-12-23 09:06:42,798 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:06:42,800 INFO  L225             Difference]: With dead ends: 453
[2023-12-23 09:06:42,800 INFO  L226             Difference]: Without dead ends: 277
[2023-12-23 09:06:42,802 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 09:06:42,802 INFO  L413           NwaCegarLoop]: 154 mSDtfsCounter, 81 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 09:06:42,803 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 286 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 09:06:42,803 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 277 states.
[2023-12-23 09:06:42,826 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 273.
[2023-12-23 09:06:42,827 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 273 states, 150 states have (on average 1.3533333333333333) internal successors, (203), 152 states have internal predecessors, (203), 118 states have call successors, (118), 4 states have call predecessors, (118), 4 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118)
[2023-12-23 09:06:42,828 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 439 transitions.
[2023-12-23 09:06:42,829 INFO  L78                 Accepts]: Start accepts. Automaton has 273 states and 439 transitions. Word has length 214
[2023-12-23 09:06:42,829 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:06:42,829 INFO  L495      AbstractCegarLoop]: Abstraction has 273 states and 439 transitions.
[2023-12-23 09:06:42,830 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2023-12-23 09:06:42,830 INFO  L276                IsEmpty]: Start isEmpty. Operand 273 states and 439 transitions.
[2023-12-23 09:06:42,831 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-12-23 09:06:42,831 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:06:42,831 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:42,842 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 09:06:43,032 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 09:06:43,033 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:06:43,035 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:06:43,036 INFO  L85        PathProgramCache]: Analyzing trace with hash 1358726940, now seen corresponding path program 1 times
[2023-12-23 09:06:43,036 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:06:43,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641938639]
[2023-12-23 09:06:43,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:06:43,037 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 09:06:43,037 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:06:43,038 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 09:06:43,066 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 09:06:43,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:06:43,367 INFO  L262         TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 23 conjunts are in the unsatisfiable core
[2023-12-23 09:06:43,374 INFO  L285         TraceCheckSpWp]: Computing forward predicates...