/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-97.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 01:23:17,404 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 01:23:17,486 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 01:23:17,493 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 01:23:17,493 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 01:23:17,523 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 01:23:17,523 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 01:23:17,524 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 01:23:17,524 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 01:23:17,525 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 01:23:17,525 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 01:23:17,525 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 01:23:17,526 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 01:23:17,526 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 01:23:17,526 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 01:23:17,527 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 01:23:17,527 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 01:23:17,529 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 01:23:17,529 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 01:23:17,530 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 01:23:17,531 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 01:23:17,533 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 01:23:17,534 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 01:23:17,534 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 01:23:17,534 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 01:23:17,534 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 01:23:17,534 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 01:23:17,535 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 01:23:17,535 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 01:23:17,535 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 01:23:17,535 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 01:23:17,535 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 01:23:17,536 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 01:23:17,536 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 01:23:17,536 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:23:17,536 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 01:23:17,537 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 01:23:17,537 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 01:23:17,537 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 01:23:17,538 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 01:23:17,538 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 01:23:17,538 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 01:23:17,538 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 01:23:17,539 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 01:23:17,539 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 01:23:17,780 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 01:23:17,806 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 01:23:17,809 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 01:23:17,810 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 01:23:17,811 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 01:23:17,812 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-97.i
[2024-11-03 01:23:19,267 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 01:23:19,496 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 01:23:19,496 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-97.i
[2024-11-03 01:23:19,506 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff327915/e3c5ee68c96a4ca2a3ad1724178e181c/FLAG1e2de853e
[2024-11-03 01:23:19,519 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff327915/e3c5ee68c96a4ca2a3ad1724178e181c
[2024-11-03 01:23:19,521 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 01:23:19,522 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 01:23:19,523 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 01:23:19,524 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 01:23:19,528 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 01:23:19,529 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:19,529 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e92fa94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19, skipping insertion in model container
[2024-11-03 01:23:19,529 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:19,565 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 01:23:19,733 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-97.i[916,929]
[2024-11-03 01:23:19,844 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:23:19,864 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 01:23:19,876 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-97.i[916,929]
[2024-11-03 01:23:19,955 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:23:19,982 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 01:23:19,983 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19 WrapperNode
[2024-11-03 01:23:19,983 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 01:23:19,984 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 01:23:19,984 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 01:23:19,984 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 01:23:19,989 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,008 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,042 INFO  L138                Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 327
[2024-11-03 01:23:20,042 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 01:23:20,043 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 01:23:20,043 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 01:23:20,043 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 01:23:20,056 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,056 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,063 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,090 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 01:23:20,091 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,091 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,113 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,117 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,121 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,124 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,134 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 01:23:20,136 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 01:23:20,136 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 01:23:20,136 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 01:23:20,137 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (1/1) ...
[2024-11-03 01:23:20,142 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:23:20,183 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 01:23:20,201 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 01:23:20,203 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 01:23:20,230 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 01:23:20,230 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 01:23:20,230 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 01:23:20,231 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 01:23:20,231 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 01:23:20,232 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 01:23:20,343 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 01:23:20,345 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 01:23:46,034 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-03 01:23:46,034 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 01:23:46,054 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 01:23:46,054 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 01:23:46,054 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:23:46 BoogieIcfgContainer
[2024-11-03 01:23:46,055 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 01:23:46,059 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 01:23:46,060 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 01:23:46,063 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 01:23:46,063 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:23:19" (1/3) ...
[2024-11-03 01:23:46,064 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74164a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:23:46, skipping insertion in model container
[2024-11-03 01:23:46,065 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:23:19" (2/3) ...
[2024-11-03 01:23:46,065 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74164a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:23:46, skipping insertion in model container
[2024-11-03 01:23:46,066 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:23:46" (3/3) ...
[2024-11-03 01:23:46,067 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-97.i
[2024-11-03 01:23:46,083 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 01:23:46,084 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 01:23:46,161 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 01:23:46,168 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;@663f2482, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 01:23:46,168 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 01:23:46,173 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 135 states, 89 states have (on average 1.5393258426966292) internal successors, (137), 90 states have internal predecessors, (137), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 01:23:46,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 276
[2024-11-03 01:23:46,195 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:23:46,196 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:23:46,197 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:23:46,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:23:46,203 INFO  L85        PathProgramCache]: Analyzing trace with hash 1924656970, now seen corresponding path program 1 times
[2024-11-03 01:23:46,212 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:23:46,213 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592435022]
[2024-11-03 01:23:46,213 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:23:46,215 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:23:46,216 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:23:46,218 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 01:23:46,220 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 01:23:46,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:23:46,781 INFO  L255         TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 01:23:46,794 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:23:46,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 01:23:46,878 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:23:51,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 01:23:51,829 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:23:51,829 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592435022]
[2024-11-03 01:23:51,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1592435022] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:23:51,830 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:23:51,830 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 01:23:51,834 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111507510]
[2024-11-03 01:23:51,834 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:23:51,839 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 01:23:51,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:23:51,860 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 01:23:51,861 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:23:51,863 INFO  L87              Difference]: Start difference. First operand  has 135 states, 89 states have (on average 1.5393258426966292) internal successors, (137), 90 states have internal predecessors, (137), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand  has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43)
[2024-11-03 01:23:51,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:23:51,898 INFO  L93              Difference]: Finished difference Result 263 states and 483 transitions.
[2024-11-03 01:23:51,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 01:23:51,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 275
[2024-11-03 01:23:51,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:23:51,908 INFO  L225             Difference]: With dead ends: 263
[2024-11-03 01:23:51,908 INFO  L226             Difference]: Without dead ends: 131
[2024-11-03 01:23:51,913 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 548 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 01:23:51,916 INFO  L432           NwaCegarLoop]: 213 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, 213 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 01:23:51,917 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 01:23:51,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2024-11-03 01:23:51,975 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131.
[2024-11-03 01:23:51,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 131 states, 86 states have (on average 1.4767441860465116) internal successors, (127), 86 states have internal predecessors, (127), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 01:23:51,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 213 transitions.
[2024-11-03 01:23:51,990 INFO  L78                 Accepts]: Start accepts. Automaton has 131 states and 213 transitions. Word has length 275
[2024-11-03 01:23:51,990 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:23:51,991 INFO  L471      AbstractCegarLoop]: Abstraction has 131 states and 213 transitions.
[2024-11-03 01:23:51,991 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43)
[2024-11-03 01:23:51,992 INFO  L276                IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions.
[2024-11-03 01:23:52,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 276
[2024-11-03 01:23:52,001 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:23:52,001 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:23:52,011 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 01:23:52,202 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 01:23:52,203 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:23:52,204 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:23:52,204 INFO  L85        PathProgramCache]: Analyzing trace with hash -1663734964, now seen corresponding path program 1 times
[2024-11-03 01:23:52,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:23:52,204 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049327542]
[2024-11-03 01:23:52,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:23:52,205 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:23:52,205 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:23:52,206 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 01:23:52,207 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 01:23:52,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:23:52,685 INFO  L255         TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 01:23:52,693 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:24:07,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 01:24:07,635 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:24:16,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked.
[2024-11-03 01:24:16,881 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:24:16,881 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049327542]
[2024-11-03 01:24:16,881 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1049327542] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:24:16,881 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:24:16,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4
[2024-11-03 01:24:16,882 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249273686]
[2024-11-03 01:24:16,882 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:24:16,885 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-03 01:24:16,885 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:24:16,886 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-03 01:24:16,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-03 01:24:16,887 INFO  L87              Difference]: Start difference. First operand 131 states and 213 transitions. Second operand  has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86)
[2024-11-03 01:24:22,115 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:24:26,124 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:24:30,145 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:24:34,172 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 01:24:34,532 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:24:34,532 INFO  L93              Difference]: Finished difference Result 386 states and 631 transitions.
[2024-11-03 01:24:34,533 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-03 01:24:34,534 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86) Word has length 275
[2024-11-03 01:24:34,537 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:24:34,542 INFO  L225             Difference]: With dead ends: 386
[2024-11-03 01:24:34,542 INFO  L226             Difference]: Without dead ends: 258
[2024-11-03 01:24:34,545 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-03 01:24:34,546 INFO  L432           NwaCegarLoop]: 209 mSDtfsCounter, 75 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time
[2024-11-03 01:24:34,547 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 617 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time]
[2024-11-03 01:24:34,549 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2024-11-03 01:24:34,599 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255.
[2024-11-03 01:24:34,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 255 states, 166 states have (on average 1.4759036144578312) internal successors, (245), 166 states have internal predecessors, (245), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86)
[2024-11-03 01:24:34,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 417 transitions.
[2024-11-03 01:24:34,602 INFO  L78                 Accepts]: Start accepts. Automaton has 255 states and 417 transitions. Word has length 275
[2024-11-03 01:24:34,606 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:24:34,606 INFO  L471      AbstractCegarLoop]: Abstraction has 255 states and 417 transitions.
[2024-11-03 01:24:34,607 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 1 states have call predecessors, (86), 1 states have call successors, (86)
[2024-11-03 01:24:34,607 INFO  L276                IsEmpty]: Start isEmpty. Operand 255 states and 417 transitions.
[2024-11-03 01:24:34,616 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 276
[2024-11-03 01:24:34,616 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:24:34,617 INFO  L215           NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:24:34,627 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0
[2024-11-03 01:24:34,817 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 01:24:34,818 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:24:34,818 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:24:34,819 INFO  L85        PathProgramCache]: Analyzing trace with hash -2069009282, now seen corresponding path program 1 times
[2024-11-03 01:24:34,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:24:34,819 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567895900]
[2024-11-03 01:24:34,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:24:34,819 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:24:34,820 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:24:34,822 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 01:24:34,823 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 01:24:37,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:24:37,763 INFO  L255         TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 01:24:37,772 INFO  L278         TraceCheckSpWp]: Computing forward predicates...