/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 01:13:59,813 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 01:13:59,884 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 01:13:59,888 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 01:13:59,889 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 01:13:59,914 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 01:13:59,914 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 01:13:59,915 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 01:13:59,916 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 01:13:59,917 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 01:13:59,917 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 01:13:59,917 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 01:13:59,918 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 01:13:59,918 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 01:13:59,918 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 01:13:59,919 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 01:13:59,919 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 01:13:59,919 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 01:13:59,919 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 01:13:59,920 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 01:13:59,922 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 01:13:59,923 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 01:13:59,923 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 01:13:59,923 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 01:13:59,923 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 01:13:59,924 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 01:13:59,924 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 01:13:59,924 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 01:13:59,924 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 01:13:59,925 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 01:13:59,925 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 01:13:59,925 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 01:13:59,925 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 01:13:59,926 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 01:13:59,926 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:13:59,926 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 01:13:59,926 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 01:13:59,926 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 01:13:59,927 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 01:13:59,927 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 01:13:59,927 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 01:13:59,928 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 01:13:59,928 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 01:13:59,928 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 01:13:59,928 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:00,159 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 01:14:00,188 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 01:14:00,191 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 01:14:00,193 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 01:14:00,193 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 01:14:00,194 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i
[2024-11-03 01:14:01,712 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 01:14:01,956 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 01:14:01,957 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i
[2024-11-03 01:14:01,968 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e5f5715/7c103fa850a94097bfada7867e2e091a/FLAGdeeb829d5
[2024-11-03 01:14:02,300 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e5f5715/7c103fa850a94097bfada7867e2e091a
[2024-11-03 01:14:02,302 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 01:14:02,303 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 01:14:02,304 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 01:14:02,305 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 01:14:02,309 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 01:14:02,309 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,310 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1829c120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02, skipping insertion in model container
[2024-11-03 01:14:02,310 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,355 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 01:14:02,520 WARN  L250   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_amount250_file-3.i[915,928]
[2024-11-03 01:14:02,693 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:14:02,714 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 01:14:02,728 WARN  L250   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_amount250_file-3.i[915,928]
[2024-11-03 01:14:02,815 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:14:02,836 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 01:14:02,836 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02 WrapperNode
[2024-11-03 01:14:02,836 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 01:14:02,837 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 01:14:02,838 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 01:14:02,838 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 01:14:02,842 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,864 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,913 INFO  L138                Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 364
[2024-11-03 01:14:02,913 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 01:14:02,914 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 01:14:02,914 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 01:14:02,914 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 01:14:02,922 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,922 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,932 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,964 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].
[2024-11-03 01:14:02,965 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:02,965 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:03,015 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:03,024 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:03,034 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:03,042 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:03,056 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 01:14:03,057 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 01:14:03,057 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 01:14:03,061 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 01:14:03,062 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (1/1) ...
[2024-11-03 01:14:03,067 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:14:03,078 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 01:14:03,096 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)
[2024-11-03 01:14:03,100 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
[2024-11-03 01:14:03,132 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 01:14:03,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 01:14:03,133 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 01:14:03,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 01:14:03,133 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 01:14:03,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 01:14:03,262 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 01:14:03,264 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 01:14:35,702 INFO  L?                        ?]: Removed 38 outVars from TransFormulas that were not future-live.
[2024-11-03 01:14:35,703 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 01:14:35,728 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 01:14:35,729 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 01:14:35,729 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:14:35 BoogieIcfgContainer
[2024-11-03 01:14:35,729 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 01:14:35,734 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 01:14:35,734 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 01:14:35,738 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 01:14:35,739 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:14:02" (1/3) ...
[2024-11-03 01:14:35,740 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fe0d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:14:35, skipping insertion in model container
[2024-11-03 01:14:35,740 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:02" (2/3) ...
[2024-11-03 01:14:35,741 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fe0d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:14:35, skipping insertion in model container
[2024-11-03 01:14:35,741 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:14:35" (3/3) ...
[2024-11-03 01:14:35,742 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-3.i
[2024-11-03 01:14:35,759 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 01:14:35,759 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 01:14:35,831 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 01:14:35,837 INFO  L333      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, 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;@5d605a93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 01:14:35,838 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 01:14:35,846 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 164 states, 105 states have (on average 1.4666666666666666) internal successors, (154), 106 states have internal predecessors, (154), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-03 01:14:35,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 358
[2024-11-03 01:14:35,874 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:14:35,875 INFO  L215           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:14:35,876 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:14:35,881 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:14:35,882 INFO  L85        PathProgramCache]: Analyzing trace with hash -1046083312, now seen corresponding path program 1 times
[2024-11-03 01:14:35,891 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:14:35,891 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048522692]
[2024-11-03 01:14:35,892 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:14:35,894 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:35,896 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:14:35,899 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:14:35,900 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 01:14:37,417 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:14:37,493 INFO  L255         TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 01:14:37,508 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:14:37,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked.
[2024-11-03 01:14:37,588 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:14:44,112 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 6050 trivial. 0 not checked.
[2024-11-03 01:14:44,113 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:14:44,114 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048522692]
[2024-11-03 01:14:44,114 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1048522692] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:14:44,114 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:14:44,115 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 01:14:44,116 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913864423]
[2024-11-03 01:14:44,117 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:14:44,122 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 01:14:44,123 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:14:44,144 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 01:14:44,145 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:14:44,147 INFO  L87              Difference]: Start difference. First operand  has 164 states, 105 states have (on average 1.4666666666666666) internal successors, (154), 106 states have internal predecessors, (154), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand  has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56)
[2024-11-03 01:14:44,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:14:44,210 INFO  L93              Difference]: Finished difference Result 321 states and 582 transitions.
[2024-11-03 01:14:44,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 01:14:44,214 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56) Word has length 357
[2024-11-03 01:14:44,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:14:44,222 INFO  L225             Difference]: With dead ends: 321
[2024-11-03 01:14:44,222 INFO  L226             Difference]: Without dead ends: 160
[2024-11-03 01:14:44,226 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:14:44,229 INFO  L432           NwaCegarLoop]: 258 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 01:14:44,230 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 01:14:44,245 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-03 01:14:44,284 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160.
[2024-11-03 01:14:44,288 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 160 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 102 states have internal predecessors, (146), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-03 01:14:44,292 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 258 transitions.
[2024-11-03 01:14:44,298 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 258 transitions. Word has length 357
[2024-11-03 01:14:44,299 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:14:44,299 INFO  L471      AbstractCegarLoop]: Abstraction has 160 states and 258 transitions.
[2024-11-03 01:14:44,300 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 1 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 1 states have call successors, (56)
[2024-11-03 01:14:44,300 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 258 transitions.
[2024-11-03 01:14:44,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 358
[2024-11-03 01:14:44,315 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:14:44,316 INFO  L215           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:14:44,333 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 01:14:44,517 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:44,518 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:14:44,519 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:14:44,519 INFO  L85        PathProgramCache]: Analyzing trace with hash 458832724, now seen corresponding path program 1 times
[2024-11-03 01:14:44,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:14:44,520 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710753391]
[2024-11-03 01:14:44,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:14:44,520 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:44,521 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:14:44,524 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:14:44,525 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 01:14:45,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:14:46,101 INFO  L255         TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 01:14:46,112 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:14:46,985 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked.
[2024-11-03 01:14:46,986 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:14:54,590 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked.
[2024-11-03 01:14:54,590 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:14:54,590 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710753391]
[2024-11-03 01:14:54,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [710753391] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:14:54,591 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:14:54,591 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5
[2024-11-03 01:14:54,591 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799069313]
[2024-11-03 01:14:54,591 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:14:54,593 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 01:14:54,593 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:14:54,595 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 01:14:54,596 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-03 01:14:54,596 INFO  L87              Difference]: Start difference. First operand 160 states and 258 transitions. Second operand  has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56)
[2024-11-03 01:15:03,892 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:07,096 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:12,517 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:16,533 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:20,583 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:24,611 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:28,638 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:29,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:15:29,020 INFO  L93              Difference]: Finished difference Result 469 states and 759 transitions.
[2024-11-03 01:15:29,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 01:15:29,021 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 357
[2024-11-03 01:15:29,023 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:15:29,027 INFO  L225             Difference]: With dead ends: 469
[2024-11-03 01:15:29,028 INFO  L226             Difference]: Without dead ends: 312
[2024-11-03 01:15:29,030 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-11-03 01:15:29,031 INFO  L432           NwaCegarLoop]: 288 mSDtfsCounter, 358 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 124 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time
[2024-11-03 01:15:29,031 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 647 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 146 Invalid, 6 Unknown, 0 Unchecked, 34.1s Time]
[2024-11-03 01:15:29,036 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 312 states.
[2024-11-03 01:15:29,060 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 198.
[2024-11-03 01:15:29,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 198 states, 140 states have (on average 1.4857142857142858) internal successors, (208), 140 states have internal predecessors, (208), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-03 01:15:29,063 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 320 transitions.
[2024-11-03 01:15:29,064 INFO  L78                 Accepts]: Start accepts. Automaton has 198 states and 320 transitions. Word has length 357
[2024-11-03 01:15:29,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:15:29,066 INFO  L471      AbstractCegarLoop]: Abstraction has 198 states and 320 transitions.
[2024-11-03 01:15:29,066 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56)
[2024-11-03 01:15:29,066 INFO  L276                IsEmpty]: Start isEmpty. Operand 198 states and 320 transitions.
[2024-11-03 01:15:29,073 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 359
[2024-11-03 01:15:29,073 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:15:29,073 INFO  L215           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:15:29,094 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 01:15:29,278 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:15:29,279 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:15:29,280 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:15:29,280 INFO  L85        PathProgramCache]: Analyzing trace with hash -1832566785, now seen corresponding path program 1 times
[2024-11-03 01:15:29,280 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:15:29,280 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657872486]
[2024-11-03 01:15:29,280 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:15:29,280 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:15:29,281 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:15:29,282 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)
[2024-11-03 01:15:29,283 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 01:15:35,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:15:35,335 INFO  L255         TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-03 01:15:35,347 INFO  L278         TraceCheckSpWp]: Computing forward predicates...