/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-79.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:01:37,546 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:01:37,651 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 05:01:37,657 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:01:37,657 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:01:37,688 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:01:37,688 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:01:37,689 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:01:37,689 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:01:37,689 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:01:37,690 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:01:37,690 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:01:37,690 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:01:37,690 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:01:37,691 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:01:37,692 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:01:37,693 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:01:37,694 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:01:37,694 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:01:37,694 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:01:37,694 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:01:37,698 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:01:37,699 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:01:37,699 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:01:37,699 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:01:37,699 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:01:37,699 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:01:37,699 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:01:37,700 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:01:37,700 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:01:37,700 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:01:37,700 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:01:37,700 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:01:37,700 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:01:37,701 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:01:37,701 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:01:37,701 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:01:37,701 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:01:37,701 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:01:37,701 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:01:37,702 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:01:37,704 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:01:37,704 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:01:37,704 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:01:37,704 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:37,952 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:01:37,966 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:01:37,968 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:01:37,969 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:01:37,969 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:01:37,970 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-79.i
[2024-11-03 05:01:39,541 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:01:39,744 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:01:39,745 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-79.i
[2024-11-03 05:01:39,758 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb2aa676/af0248c6c90f4ddfb76deef579dcd180/FLAGf6f10263f
[2024-11-03 05:01:39,778 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fb2aa676/af0248c6c90f4ddfb76deef579dcd180
[2024-11-03 05:01:39,781 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:01:39,782 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:01:39,783 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:01:39,783 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:01:39,787 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:01:39,788 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:39" (1/1) ...
[2024-11-03 05:01:39,789 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49370e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:39, skipping insertion in model container
[2024-11-03 05:01:39,789 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:39" (1/1) ...
[2024-11-03 05:01:39,821 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:01:39,959 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-79.i[916,929]
[2024-11-03 05:01:40,062 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:01:40,077 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:01:40,087 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-79.i[916,929]
[2024-11-03 05:01:40,151 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:01:40,180 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:01:40,181 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40 WrapperNode
[2024-11-03 05:01:40,182 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:01:40,183 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:01:40,183 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:01:40,183 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:01:40,188 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,208 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,238 INFO  L138                Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 357
[2024-11-03 05:01:40,238 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:01:40,239 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:01:40,239 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:01:40,239 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:01:40,255 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,255 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,265 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,302 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 05:01:40,303 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,303 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,318 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,322 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,326 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,329 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,334 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:01:40,335 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:01:40,335 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:01:40,335 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:01:40,336 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (1/1) ...
[2024-11-03 05:01:40,341 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:01:40,351 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:01:40,369 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 05:01:40,374 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 05:01:40,391 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:01:40,391 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:01:40,392 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:01:40,392 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:01:40,392 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:01:40,393 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:01:40,493 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:01:40,495 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:01:58,754 INFO  L?                        ?]: Removed 38 outVars from TransFormulas that were not future-live.
[2024-11-03 05:01:58,754 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:01:58,772 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:01:58,772 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:01:58,773 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:58 BoogieIcfgContainer
[2024-11-03 05:01:58,773 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:01:58,775 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:01:58,775 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:01:58,778 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:01:58,778 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:01:39" (1/3) ...
[2024-11-03 05:01:58,779 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5686a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:58, skipping insertion in model container
[2024-11-03 05:01:58,779 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:40" (2/3) ...
[2024-11-03 05:01:58,779 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5686a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:58, skipping insertion in model container
[2024-11-03 05:01:58,779 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:58" (3/3) ...
[2024-11-03 05:01:58,781 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-79.i
[2024-11-03 05:01:58,792 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:01:58,792 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:01:58,852 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:01:58,857 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;@762beaf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:01:58,858 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:01:58,862 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 153 states, 100 states have (on average 1.51) internal successors, (151), 101 states have internal predecessors, (151), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-03 05:01:58,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 318
[2024-11-03 05:01:58,880 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:58,881 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:58,881 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:58,887 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:58,887 INFO  L85        PathProgramCache]: Analyzing trace with hash 1597299532, now seen corresponding path program 1 times
[2024-11-03 05:01:58,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:58,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742259202]
[2024-11-03 05:01:58,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:58,898 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:58,898 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:58,905 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 05:01:58,907 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 05:01:59,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:59,103 INFO  L255         TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:59,113 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:01:59,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked.
[2024-11-03 05:01:59,169 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:02:02,537 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked.
[2024-11-03 05:02:02,538 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:02:02,538 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742259202]
[2024-11-03 05:02:02,539 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [742259202] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:02:02,539 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:02:02,539 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:02:02,541 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270631251]
[2024-11-03 05:02:02,541 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:02:02,545 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:02:02,545 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:02:02,564 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:02:02,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:02:02,567 INFO  L87              Difference]: Start difference. First operand  has 153 states, 100 states have (on average 1.51) internal successors, (151), 101 states have internal predecessors, (151), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)
[2024-11-03 05:02:02,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:02,609 INFO  L93              Difference]: Finished difference Result 295 states and 538 transitions.
[2024-11-03 05:02:02,612 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:02:02,614 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 317
[2024-11-03 05:02:02,614 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:02,623 INFO  L225             Difference]: With dead ends: 295
[2024-11-03 05:02:02,623 INFO  L226             Difference]: Without dead ends: 145
[2024-11-03 05:02:02,628 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 632 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 05:02:02,631 INFO  L432           NwaCegarLoop]: 234 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, 234 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 05:02:02,636 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:02:02,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2024-11-03 05:02:02,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145.
[2024-11-03 05:02:02,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 93 states have internal predecessors, (134), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-03 05:02:02,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 234 transitions.
[2024-11-03 05:02:02,716 INFO  L78                 Accepts]: Start accepts. Automaton has 145 states and 234 transitions. Word has length 317
[2024-11-03 05:02:02,717 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:02,717 INFO  L471      AbstractCegarLoop]: Abstraction has 145 states and 234 transitions.
[2024-11-03 05:02:02,717 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)
[2024-11-03 05:02:02,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 234 transitions.
[2024-11-03 05:02:02,723 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 318
[2024-11-03 05:02:02,723 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:02,723 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:02,729 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 05:02:02,924 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 05:02:02,925 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:02,925 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:02,926 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261469400, now seen corresponding path program 1 times
[2024-11-03 05:02:02,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:02,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625444233]
[2024-11-03 05:02:02,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:02,926 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:02,927 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:02,930 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 05:02:02,931 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 05:02:03,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:03,154 INFO  L255         TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:03,162 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:02:03,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:03,448 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:02:07,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:07,066 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:02:07,066 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625444233]
[2024-11-03 05:02:07,066 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [625444233] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:02:07,066 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:02:07,066 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:02:07,067 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106043486]
[2024-11-03 05:02:07,067 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:02:07,068 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:02:07,068 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:02:07,069 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:02:07,069 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:02:07,069 INFO  L87              Difference]: Start difference. First operand 145 states and 234 transitions. Second operand  has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)
[2024-11-03 05:02:11,731 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:15,735 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:15,921 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:15,921 INFO  L93              Difference]: Finished difference Result 342 states and 558 transitions.
[2024-11-03 05:02:15,922 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:02:15,923 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 317
[2024-11-03 05:02:15,924 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:15,926 INFO  L225             Difference]: With dead ends: 342
[2024-11-03 05:02:15,926 INFO  L226             Difference]: Without dead ends: 200
[2024-11-03 05:02:15,927 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 631 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 05:02:15,928 INFO  L432           NwaCegarLoop]: 307 mSDtfsCounter, 86 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time
[2024-11-03 05:02:15,928 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 531 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time]
[2024-11-03 05:02:15,929 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 200 states.
[2024-11-03 05:02:15,939 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 153.
[2024-11-03 05:02:15,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 101 states have (on average 1.4455445544554455) internal successors, (146), 101 states have internal predecessors, (146), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-03 05:02:15,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 246 transitions.
[2024-11-03 05:02:15,942 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 246 transitions. Word has length 317
[2024-11-03 05:02:15,945 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:15,946 INFO  L471      AbstractCegarLoop]: Abstraction has 153 states and 246 transitions.
[2024-11-03 05:02:15,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)
[2024-11-03 05:02:15,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 246 transitions.
[2024-11-03 05:02:15,950 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 319
[2024-11-03 05:02:15,951 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:15,951 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:15,957 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0
[2024-11-03 05:02:16,153 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 05:02:16,153 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:16,154 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:16,154 INFO  L85        PathProgramCache]: Analyzing trace with hash 487952639, now seen corresponding path program 1 times
[2024-11-03 05:02:16,154 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:16,154 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410065936]
[2024-11-03 05:02:16,155 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:16,155 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:16,155 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:16,158 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 05:02:16,160 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 05:02:16,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:16,305 INFO  L255         TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:16,310 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:02:16,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:16,467 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:02:20,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:20,200 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:02:20,203 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410065936]
[2024-11-03 05:02:20,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [410065936] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:02:20,204 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:02:20,204 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:02:20,204 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590277250]
[2024-11-03 05:02:20,204 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:02:20,205 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:02:20,205 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:02:20,206 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:02:20,206 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:02:20,206 INFO  L87              Difference]: Start difference. First operand 153 states and 246 transitions. Second operand  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)
[2024-11-03 05:02:24,968 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:28,983 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 05:02:29,220 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:29,220 INFO  L93              Difference]: Finished difference Result 449 states and 724 transitions.
[2024-11-03 05:02:29,220 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:02:29,221 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 318
[2024-11-03 05:02:29,222 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:29,224 INFO  L225             Difference]: With dead ends: 449
[2024-11-03 05:02:29,224 INFO  L226             Difference]: Without dead ends: 299
[2024-11-03 05:02:29,225 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 633 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 05:02:29,226 INFO  L432           NwaCegarLoop]: 404 mSDtfsCounter, 216 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time
[2024-11-03 05:02:29,226 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 620 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time]
[2024-11-03 05:02:29,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 299 states.
[2024-11-03 05:02:29,249 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297.
[2024-11-03 05:02:29,250 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 297 states, 194 states have (on average 1.422680412371134) internal successors, (276), 194 states have internal predecessors, (276), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100)
[2024-11-03 05:02:29,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 476 transitions.
[2024-11-03 05:02:29,257 INFO  L78                 Accepts]: Start accepts. Automaton has 297 states and 476 transitions. Word has length 318
[2024-11-03 05:02:29,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:29,258 INFO  L471      AbstractCegarLoop]: Abstraction has 297 states and 476 transitions.
[2024-11-03 05:02:29,258 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)
[2024-11-03 05:02:29,258 INFO  L276                IsEmpty]: Start isEmpty. Operand 297 states and 476 transitions.
[2024-11-03 05:02:29,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 319
[2024-11-03 05:02:29,261 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:29,261 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:02:29,264 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 05:02:29,463 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 05:02:29,464 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:29,464 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:29,465 INFO  L85        PathProgramCache]: Analyzing trace with hash -1100395263, now seen corresponding path program 1 times
[2024-11-03 05:02:29,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:29,465 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922729773]
[2024-11-03 05:02:29,465 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:29,465 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:29,465 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:29,470 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 05:02:29,475 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 05:02:30,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:30,664 INFO  L255         TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 207 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:30,697 INFO  L278         TraceCheckSpWp]: Computing forward predicates...