/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_operatoramount_amount100_file-20.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-24 04:53:24,752 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-24 04:53:24,831 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-24 04:53:24,836 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-24 04:53:24,836 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-24 04:53:24,865 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-24 04:53:24,866 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-24 04:53:24,866 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-24 04:53:24,867 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-24 04:53:24,870 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-24 04:53:24,870 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-24 04:53:24,870 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-24 04:53:24,871 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-24 04:53:24,872 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-24 04:53:24,872 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-24 04:53:24,873 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-24 04:53:24,873 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-24 04:53:24,873 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-24 04:53:24,874 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-24 04:53:24,875 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-24 04:53:24,875 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-24 04:53:24,875 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-24 04:53:24,876 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-24 04:53:24,876 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-24 04:53:24,876 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-24 04:53:24,876 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-24 04:53:24,877 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-24 04:53:24,877 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-24 04:53:24,877 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-24 04:53:24,877 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-24 04:53:24,878 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-24 04:53:24,878 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-24 04:53:24,879 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-24 04:53:24,879 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-24 04:53:24,879 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 04:53:24,879 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-24 04:53:24,879 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-24 04:53:24,880 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-24 04:53:24,880 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-24 04:53:24,880 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-24 04:53:24,880 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-24 04:53:24,880 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-24 04:53:24,881 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-24 04:53:24,881 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-24 04:53:24,882 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-24 04:53:24,882 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-24 04:53:24,882 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-24 04:53:25,112 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-24 04:53:25,134 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-24 04:53:25,136 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-24 04:53:25,137 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-24 04:53:25,138 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-24 04:53:25,139 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i
[2023-12-24 04:53:26,266 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-24 04:53:26,452 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-24 04:53:26,453 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-20.i
[2023-12-24 04:53:26,467 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3572939d8/815e3600f26340fa8dd31d73bd308872/FLAG334385cf3
[2023-12-24 04:53:26,477 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3572939d8/815e3600f26340fa8dd31d73bd308872
[2023-12-24 04:53:26,479 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-24 04:53:26,483 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-24 04:53:26,484 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-24 04:53:26,484 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-24 04:53:26,492 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-24 04:53:26,492 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,493 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b2f4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26, skipping insertion in model container
[2023-12-24 04:53:26,493 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,530 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-24 04:53:26,670 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_operatoramount_amount100_file-20.i[916,929]
[2023-12-24 04:53:26,733 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 04:53:26,759 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-24 04:53:26,772 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_operatoramount_amount100_file-20.i[916,929]
[2023-12-24 04:53:26,831 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 04:53:26,850 INFO  L206         MainTranslator]: Completed translation
[2023-12-24 04:53:26,850 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26 WrapperNode
[2023-12-24 04:53:26,850 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-24 04:53:26,851 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-24 04:53:26,851 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-24 04:53:26,851 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-24 04:53:26,858 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,868 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,895 INFO  L138                Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205
[2023-12-24 04:53:26,895 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-24 04:53:26,896 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-24 04:53:26,896 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-24 04:53:26,896 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-24 04:53:26,906 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,907 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,911 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,922 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].
[2023-12-24 04:53:26,923 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,923 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,933 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,936 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,939 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,940 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,944 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-24 04:53:26,944 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-24 04:53:26,945 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-24 04:53:26,945 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-24 04:53:26,945 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (1/1) ...
[2023-12-24 04:53:26,954 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 04:53:26,965 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-24 04:53:26,976 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)
[2023-12-24 04:53:27,010 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
[2023-12-24 04:53:27,016 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-24 04:53:27,016 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-24 04:53:27,016 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-24 04:53:27,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-24 04:53:27,018 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-24 04:53:27,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-24 04:53:27,122 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-24 04:53:27,125 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-24 04:53:30,413 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-24 04:53:30,454 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-24 04:53:30,454 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-24 04:53:30,455 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:53:30 BoogieIcfgContainer
[2023-12-24 04:53:30,455 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-24 04:53:30,457 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-24 04:53:30,457 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-24 04:53:30,460 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-24 04:53:30,460 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 04:53:26" (1/3) ...
[2023-12-24 04:53:30,461 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ca987c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:53:30, skipping insertion in model container
[2023-12-24 04:53:30,461 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:53:26" (2/3) ...
[2023-12-24 04:53:30,461 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ca987c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:53:30, skipping insertion in model container
[2023-12-24 04:53:30,461 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:53:30" (3/3) ...
[2023-12-24 04:53:30,462 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-20.i
[2023-12-24 04:53:30,477 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-24 04:53:30,477 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-24 04:53:30,515 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-24 04:53:30,520 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;@3d130761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-24 04:53:30,520 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-24 04:53:30,529 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 87 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31)
[2023-12-24 04:53:30,540 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2023-12-24 04:53:30,541 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:53:30,541 INFO  L195           NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:53:30,542 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:53:30,547 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:53:30,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -330709830, now seen corresponding path program 1 times
[2023-12-24 04:53:30,584 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:53:30,585 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244389708]
[2023-12-24 04:53:30,585 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:53:30,586 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
[2023-12-24 04:53:30,586 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:53:30,592 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)
[2023-12-24 04:53:30,633 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
[2023-12-24 04:53:30,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:53:30,980 INFO  L262         TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-24 04:53:30,991 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 04:53:31,930 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked.
[2023-12-24 04:53:31,930 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 04:53:31,931 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 04:53:31,931 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244389708]
[2023-12-24 04:53:31,932 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [244389708] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 04:53:31,932 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 04:53:31,932 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-24 04:53:31,934 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508230144]
[2023-12-24 04:53:31,934 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 04:53:31,940 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-24 04:53:31,940 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 04:53:31,969 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-24 04:53:31,970 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-24 04:53:31,973 INFO  L87              Difference]: Start difference. First operand  has 87 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand  has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)
[2023-12-24 04:53:34,713 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-24 04:53:37,912 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-24 04:53:39,985 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-24 04:53:39,987 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 04:53:39,987 INFO  L93              Difference]: Finished difference Result 280 states and 516 transitions.
[2023-12-24 04:53:40,026 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-24 04:53:40,027 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194
[2023-12-24 04:53:40,029 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 04:53:40,037 INFO  L225             Difference]: With dead ends: 280
[2023-12-24 04:53:40,037 INFO  L226             Difference]: Without dead ends: 194
[2023-12-24 04:53:40,040 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-24 04:53:40,043 INFO  L413           NwaCegarLoop]: 157 mSDtfsCounter, 108 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time
[2023-12-24 04:53:40,044 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 404 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time]
[2023-12-24 04:53:40,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 194 states.
[2023-12-24 04:53:40,096 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 166.
[2023-12-24 04:53:40,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 166 states, 101 states have (on average 1.3267326732673268) internal successors, (134), 101 states have internal predecessors, (134), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2023-12-24 04:53:40,101 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 258 transitions.
[2023-12-24 04:53:40,102 INFO  L78                 Accepts]: Start accepts. Automaton has 166 states and 258 transitions. Word has length 194
[2023-12-24 04:53:40,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 04:53:40,103 INFO  L495      AbstractCegarLoop]: Abstraction has 166 states and 258 transitions.
[2023-12-24 04:53:40,104 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)
[2023-12-24 04:53:40,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 166 states and 258 transitions.
[2023-12-24 04:53:40,107 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2023-12-24 04:53:40,107 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:53:40,108 INFO  L195           NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:53:40,121 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-24 04:53:40,318 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
[2023-12-24 04:53:40,319 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:53:40,320 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:53:40,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 61626323, now seen corresponding path program 1 times
[2023-12-24 04:53:40,322 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:53:40,324 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262311134]
[2023-12-24 04:53:40,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:53:40,324 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
[2023-12-24 04:53:40,324 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:53:40,326 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)
[2023-12-24 04:53:40,365 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
[2023-12-24 04:53:40,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:53:40,645 INFO  L262         TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-12-24 04:53:40,652 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 04:53:44,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 722 proven. 264 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked.
[2023-12-24 04:53:44,124 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 04:53:48,184 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 04:53:48,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262311134]
[2023-12-24 04:53:48,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262311134] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-24 04:53:48,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1415211349]
[2023-12-24 04:53:48,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:53:48,185 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-24 04:53:48,185 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-24 04:53:48,230 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-24 04:53:48,234 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2023-12-24 04:53:49,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:53:49,090 INFO  L262         TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-24 04:53:49,096 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 04:53:50,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 1860 backedges. 850 proven. 60 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked.
[2023-12-24 04:53:50,007 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 04:53:50,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1415211349] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-24 04:53:50,648 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-24 04:53:50,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6] total 19
[2023-12-24 04:53:50,649 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724519873]
[2023-12-24 04:53:50,649 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-24 04:53:50,650 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2023-12-24 04:53:50,651 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 04:53:50,652 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2023-12-24 04:53:50,652 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600
[2023-12-24 04:53:50,652 INFO  L87              Difference]: Start difference. First operand 166 states and 258 transitions. Second operand  has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 17 states have internal predecessors, (92), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58)
[2023-12-24 04:53:57,863 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-24 04:54:01,663 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-24 04:54:05,571 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-24 04:54:06,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 04:54:06,021 INFO  L93              Difference]: Finished difference Result 499 states and 723 transitions.
[2023-12-24 04:54:06,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2023-12-24 04:54:06,022 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 17 states have internal predecessors, (92), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58) Word has length 195
[2023-12-24 04:54:06,022 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 04:54:06,025 INFO  L225             Difference]: With dead ends: 499
[2023-12-24 04:54:06,025 INFO  L226             Difference]: Without dead ends: 334
[2023-12-24 04:54:06,028 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=852, Invalid=2808, Unknown=0, NotChecked=0, Total=3660
[2023-12-24 04:54:06,029 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 623 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time
[2023-12-24 04:54:06,030 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 406 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time]
[2023-12-24 04:54:06,031 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 334 states.
[2023-12-24 04:54:06,063 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 257.
[2023-12-24 04:54:06,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 257 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 174 states have internal predecessors, (221), 70 states have call successors, (70), 14 states have call predecessors, (70), 14 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70)
[2023-12-24 04:54:06,065 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 361 transitions.
[2023-12-24 04:54:06,066 INFO  L78                 Accepts]: Start accepts. Automaton has 257 states and 361 transitions. Word has length 195
[2023-12-24 04:54:06,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 04:54:06,067 INFO  L495      AbstractCegarLoop]: Abstraction has 257 states and 361 transitions.
[2023-12-24 04:54:06,067 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 4.842105263157895) internal successors, (92), 17 states have internal predecessors, (92), 6 states have call successors, (57), 6 states have call predecessors, (57), 8 states have return successors, (58), 6 states have call predecessors, (58), 6 states have call successors, (58)
[2023-12-24 04:54:06,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 257 states and 361 transitions.
[2023-12-24 04:54:06,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2023-12-24 04:54:06,070 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:54:06,070 INFO  L195           NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:54:06,088 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0
[2023-12-24 04:54:06,295 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-24 04:54:06,488 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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
[2023-12-24 04:54:06,488 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:54:06,489 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:54:06,489 INFO  L85        PathProgramCache]: Analyzing trace with hash -1252460013, now seen corresponding path program 1 times
[2023-12-24 04:54:06,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:54:06,490 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825132507]
[2023-12-24 04:54:06,490 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:54:06,490 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
[2023-12-24 04:54:06,491 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:54:06,492 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)
[2023-12-24 04:54:06,494 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
[2023-12-24 04:54:06,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:54:06,786 INFO  L262         TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 47 conjunts are in the unsatisfiable core
[2023-12-24 04:54:06,795 INFO  L285         TraceCheckSpWp]: Computing forward predicates...