/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 'cvc5 --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-39.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:56:01,464 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:56:01,542 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 04:56:01,547 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:56:01,548 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:56:01,579 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:56:01,580 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:56:01,580 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:56:01,581 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:56:01,581 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:56:01,581 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:56:01,582 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:56:01,582 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:56:01,583 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:56:01,583 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:56:01,583 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:56:01,584 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:56:01,584 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:56:01,584 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:56:01,585 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:56:01,585 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:56:01,586 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:56:01,586 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:56:01,586 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:56:01,587 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:56:01,587 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:56:01,587 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:56:01,587 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:56:01,588 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:56:01,588 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:56:01,588 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:56:01,589 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:56:01,589 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:56:01,590 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:56:01,590 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:56:01,591 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:56:01,591 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:56:01,591 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:56:01,591 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:56:01,591 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:56:01,591 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:56:01,592 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:56:01,592 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:56:01,593 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:56:01,593 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:56:01,835 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:56:01,865 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:56:01,868 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:56:01,869 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:56:01,870 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:56:01,872 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-39.i
[2024-11-03 04:56:03,413 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:56:03,683 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:56:03,683 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-39.i
[2024-11-03 04:56:03,696 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31ca7755/0c667a7840344932a04eec43c9c913ca/FLAGaade7827d
[2024-11-03 04:56:03,709 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31ca7755/0c667a7840344932a04eec43c9c913ca
[2024-11-03 04:56:03,711 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:56:03,713 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:56:03,714 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:56:03,714 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:56:03,719 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:56:03,719 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:56:03" (1/1) ...
[2024-11-03 04:56:03,721 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70103163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:03, skipping insertion in model container
[2024-11-03 04:56:03,721 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:56:03" (1/1) ...
[2024-11-03 04:56:03,773 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:56:03,936 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-39.i[916,929]
[2024-11-03 04:56:04,095 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:56:04,112 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:56:04,123 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-39.i[916,929]
[2024-11-03 04:56:04,196 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:56:04,219 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:56:04,220 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04 WrapperNode
[2024-11-03 04:56:04,220 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:56:04,221 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:56:04,221 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:56:04,222 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:56:04,229 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,247 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,318 INFO  L138                Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342
[2024-11-03 04:56:04,318 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:56:04,319 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:56:04,319 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:56:04,319 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:56:04,331 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,331 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,339 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,358 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 04:56:04,359 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,359 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,376 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,381 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,386 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,395 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,402 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:56:04,403 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:56:04,404 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:56:04,404 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:56:04,405 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (1/1) ...
[2024-11-03 04:56:04,411 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:56:04,427 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:56:04,448 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 04:56:04,455 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 04:56:04,482 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:56:04,483 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:56:04,483 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:56:04,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:56:04,484 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:56:04,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:56:04,623 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:56:04,625 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:56:30,503 INFO  L?                        ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-03 04:56:30,504 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:56:30,520 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:56:30,521 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:56:30,521 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:56:30 BoogieIcfgContainer
[2024-11-03 04:56:30,521 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:56:30,524 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:56:30,524 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:56:30,529 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:56:30,529 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:56:03" (1/3) ...
[2024-11-03 04:56:30,530 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26065b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:56:30, skipping insertion in model container
[2024-11-03 04:56:30,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:04" (2/3) ...
[2024-11-03 04:56:30,531 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26065b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:56:30, skipping insertion in model container
[2024-11-03 04:56:30,531 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:56:30" (3/3) ...
[2024-11-03 04:56:30,534 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-39.i
[2024-11-03 04:56:30,552 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:56:30,553 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:56:30,650 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:56:30,658 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;@48ace2db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:56:30,660 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:56:30,667 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 141 states, 96 states have (on average 1.5104166666666667) internal successors, (145), 97 states have internal predecessors, (145), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-03 04:56:30,693 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 283
[2024-11-03 04:56:30,693 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:56:30,695 INFO  L215           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:30,695 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:56:30,701 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:56:30,702 INFO  L85        PathProgramCache]: Analyzing trace with hash 1769614706, now seen corresponding path program 1 times
[2024-11-03 04:56:30,710 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:56:30,710 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789968462]
[2024-11-03 04:56:30,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:56:30,714 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:56:30,715 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:56:30,718 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:56:30,720 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 04:56:31,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:56:31,046 INFO  L255         TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:56:31,069 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:56:31,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked.
[2024-11-03 04:56:31,134 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:56:34,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 3362 trivial. 0 not checked.
[2024-11-03 04:56:34,812 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:56:34,813 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789968462]
[2024-11-03 04:56:34,813 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1789968462] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:56:34,813 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:56:34,813 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:56:34,819 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044841093]
[2024-11-03 04:56:34,820 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:56:34,825 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:56:34,825 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:56:34,854 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:56:34,855 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:56:34,858 INFO  L87              Difference]: Start difference. First operand  has 141 states, 96 states have (on average 1.5104166666666667) internal successors, (145), 97 states have internal predecessors, (145), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42)
[2024-11-03 04:56:34,912 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:56:34,912 INFO  L93              Difference]: Finished difference Result 275 states and 494 transitions.
[2024-11-03 04:56:34,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:56:34,917 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 282
[2024-11-03 04:56:34,917 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:56:34,929 INFO  L225             Difference]: With dead ends: 275
[2024-11-03 04:56:34,929 INFO  L226             Difference]: Without dead ends: 137
[2024-11-03 04:56:34,936 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 562 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 04:56:34,942 INFO  L432           NwaCegarLoop]: 222 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, 222 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 04:56:34,944 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:56:34,959 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-03 04:56:35,004 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137.
[2024-11-03 04:56:35,006 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 137 states, 93 states have (on average 1.4838709677419355) internal successors, (138), 93 states have internal predecessors, (138), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-03 04:56:35,012 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 222 transitions.
[2024-11-03 04:56:35,014 INFO  L78                 Accepts]: Start accepts. Automaton has 137 states and 222 transitions. Word has length 282
[2024-11-03 04:56:35,015 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:56:35,017 INFO  L471      AbstractCegarLoop]: Abstraction has 137 states and 222 transitions.
[2024-11-03 04:56:35,018 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42)
[2024-11-03 04:56:35,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states and 222 transitions.
[2024-11-03 04:56:35,026 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 283
[2024-11-03 04:56:35,029 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:56:35,030 INFO  L215           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:35,038 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0
[2024-11-03 04:56:35,230 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:56:35,231 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:56:35,232 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:56:35,232 INFO  L85        PathProgramCache]: Analyzing trace with hash 1484132394, now seen corresponding path program 1 times
[2024-11-03 04:56:35,232 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:56:35,233 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935156055]
[2024-11-03 04:56:35,233 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:56:35,233 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:56:35,233 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:56:35,235 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:56:35,236 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 04:56:35,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:56:35,471 INFO  L255         TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:56:35,481 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:56:47,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2024-11-03 04:56:47,859 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:56:55,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2024-11-03 04:56:55,911 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:56:55,911 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935156055]
[2024-11-03 04:56:55,912 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1935156055] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:56:55,912 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:56:55,912 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3
[2024-11-03 04:56:55,912 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863154263]
[2024-11-03 04:56:55,912 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:56:55,915 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:56:55,915 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:56:55,917 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:56:55,917 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:56:55,917 INFO  L87              Difference]: Start difference. First operand 137 states and 222 transitions. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 1 states have call predecessors, (84), 1 states have call successors, (84)
[2024-11-03 04:57:00,904 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:57:04,913 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 04:57:05,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:57:05,171 INFO  L93              Difference]: Finished difference Result 402 states and 654 transitions.
[2024-11-03 04:57:05,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:57:05,172 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 1 states have call predecessors, (84), 1 states have call successors, (84) Word has length 282
[2024-11-03 04:57:05,173 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:57:05,179 INFO  L225             Difference]: With dead ends: 402
[2024-11-03 04:57:05,179 INFO  L226             Difference]: Without dead ends: 268
[2024-11-03 04:57:05,185 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:57:05,186 INFO  L432           NwaCegarLoop]: 218 mSDtfsCounter, 60 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time
[2024-11-03 04:57:05,187 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 424 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time]
[2024-11-03 04:57:05,191 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2024-11-03 04:57:05,250 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 263.
[2024-11-03 04:57:05,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 263 states, 176 states have (on average 1.4602272727272727) internal successors, (257), 176 states have internal predecessors, (257), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84)
[2024-11-03 04:57:05,257 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 425 transitions.
[2024-11-03 04:57:05,258 INFO  L78                 Accepts]: Start accepts. Automaton has 263 states and 425 transitions. Word has length 282
[2024-11-03 04:57:05,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:57:05,263 INFO  L471      AbstractCegarLoop]: Abstraction has 263 states and 425 transitions.
[2024-11-03 04:57:05,263 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 1 states have call predecessors, (84), 1 states have call successors, (84)
[2024-11-03 04:57:05,263 INFO  L276                IsEmpty]: Start isEmpty. Operand 263 states and 425 transitions.
[2024-11-03 04:57:05,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 283
[2024-11-03 04:57:05,267 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:57:05,267 INFO  L215           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:05,272 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 04:57:05,468 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:05,469 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:57:05,469 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:57:05,469 INFO  L85        PathProgramCache]: Analyzing trace with hash -2109770324, now seen corresponding path program 1 times
[2024-11-03 04:57:05,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:57:05,470 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762377626]
[2024-11-03 04:57:05,470 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:57:05,470 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:05,470 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:57:05,472 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:57:05,473 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 04:57:05,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:57:05,681 INFO  L255         TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:57:05,696 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:57:06,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2024-11-03 04:57:06,976 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:57:11,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2024-11-03 04:57:11,782 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:57:11,782 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762377626]
[2024-11-03 04:57:11,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [762377626] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:57:11,782 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:57:11,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:57:11,784 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998537700]
[2024-11-03 04:57:11,784 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:57:11,785 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:57:11,785 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:57:11,786 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:57:11,786 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:57:11,786 INFO  L87              Difference]: Start difference. First operand 263 states and 425 transitions. Second operand  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42)
[2024-11-03 04:57:17,318 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:57:21,329 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 04:57:21,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:57:21,600 INFO  L93              Difference]: Finished difference Result 713 states and 1150 transitions.
[2024-11-03 04:57:21,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:57:21,601 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 282
[2024-11-03 04:57:21,602 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:57:21,607 INFO  L225             Difference]: With dead ends: 713
[2024-11-03 04:57:21,608 INFO  L226             Difference]: Without dead ends: 453
[2024-11-03 04:57:21,609 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:57:21,610 INFO  L432           NwaCegarLoop]: 287 mSDtfsCounter, 133 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time
[2024-11-03 04:57:21,611 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 489 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time]
[2024-11-03 04:57:21,613 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 453 states.
[2024-11-03 04:57:21,672 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 424.
[2024-11-03 04:57:21,673 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 424 states, 285 states have (on average 1.4385964912280702) internal successors, (410), 287 states have internal predecessors, (410), 134 states have call successors, (134), 4 states have call predecessors, (134), 4 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134)
[2024-11-03 04:57:21,677 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 678 transitions.
[2024-11-03 04:57:21,679 INFO  L78                 Accepts]: Start accepts. Automaton has 424 states and 678 transitions. Word has length 282
[2024-11-03 04:57:21,680 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:57:21,680 INFO  L471      AbstractCegarLoop]: Abstraction has 424 states and 678 transitions.
[2024-11-03 04:57:21,680 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42)
[2024-11-03 04:57:21,680 INFO  L276                IsEmpty]: Start isEmpty. Operand 424 states and 678 transitions.
[2024-11-03 04:57:21,684 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-03 04:57:21,685 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:57:21,685 INFO  L215           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:21,688 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 04:57:21,887 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:21,888 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:57:21,888 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:57:21,889 INFO  L85        PathProgramCache]: Analyzing trace with hash -1423949401, now seen corresponding path program 1 times
[2024-11-03 04:57:21,889 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:57:21,889 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129503012]
[2024-11-03 04:57:21,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:57:21,890 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:21,890 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:57:21,893 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:57:21,894 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 04:57:23,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:57:23,835 INFO  L255         TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 217 conjuncts are in the unsatisfiable core
[2024-11-03 04:57:23,910 INFO  L278         TraceCheckSpWp]: Computing forward predicates...