/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-45.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:57:11,512 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:57:11,601 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 04:57:11,605 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:57:11,606 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:57:11,642 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:57:11,644 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:57:11,644 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:57:11,645 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:57:11,645 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:57:11,645 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:57:11,646 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:57:11,646 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:57:11,647 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:57:11,647 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:57:11,649 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:57:11,650 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:57:11,652 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:57:11,653 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:57:11,653 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:57:11,653 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:57:11,654 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:57:11,654 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:57:11,654 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:57:11,654 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:57:11,654 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:57:11,655 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:57:11,655 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:57:11,655 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:57:11,655 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:57:11,656 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:57:11,656 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:57:11,656 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:57:11,656 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:57:11,657 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:57:11,657 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:57:11,659 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:57:11,659 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:57:11,659 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:57:11,660 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:57:11,660 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:57:11,660 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:57:11,660 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:57:11,660 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:57:11,661 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:11,925 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:57:11,947 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:57:11,951 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:57:11,952 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:57:11,952 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:57:11,954 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-45.i
[2024-11-03 04:57:13,501 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:57:13,778 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:57:13,779 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-45.i
[2024-11-03 04:57:13,796 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4993c1a7/47f017fe62fc4d3ea01f0277406bb3db/FLAG4859753d2
[2024-11-03 04:57:13,814 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4993c1a7/47f017fe62fc4d3ea01f0277406bb3db
[2024-11-03 04:57:13,818 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:57:13,821 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:57:13,822 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:57:13,822 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:57:13,828 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:57:13,829 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:57:13" (1/1) ...
[2024-11-03 04:57:13,830 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f0b6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:13, skipping insertion in model container
[2024-11-03 04:57:13,830 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:57:13" (1/1) ...
[2024-11-03 04:57:13,884 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:57:14,077 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-45.i[916,929]
[2024-11-03 04:57:14,214 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:57:14,234 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:57:14,249 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-45.i[916,929]
[2024-11-03 04:57:14,338 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:57:14,363 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:57:14,363 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14 WrapperNode
[2024-11-03 04:57:14,364 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:57:14,365 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:57:14,365 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:57:14,365 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:57:14,371 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,389 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,435 INFO  L138                Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 329
[2024-11-03 04:57:14,436 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:57:14,437 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:57:14,437 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:57:14,437 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:57:14,447 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,447 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,456 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,476 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 04:57:14,477 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,477 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,505 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,518 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,523 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,531 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,545 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:57:14,548 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:57:14,548 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:57:14,549 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:57:14,550 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (1/1) ...
[2024-11-03 04:57:14,555 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:57:14,570 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:57:14,588 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 04:57:14,596 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 04:57:14,622 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:57:14,622 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:57:14,623 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:57:14,623 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:57:14,623 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:57:14,623 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:57:14,738 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:57:14,740 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:57:31,261 INFO  L?                        ?]: Removed 53 outVars from TransFormulas that were not future-live.
[2024-11-03 04:57:31,262 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:57:31,282 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:57:31,282 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:57:31,282 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:57:31 BoogieIcfgContainer
[2024-11-03 04:57:31,283 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:57:31,285 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:57:31,285 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:57:31,288 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:57:31,288 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:57:13" (1/3) ...
[2024-11-03 04:57:31,289 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68356c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:57:31, skipping insertion in model container
[2024-11-03 04:57:31,289 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:57:14" (2/3) ...
[2024-11-03 04:57:31,290 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68356c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:57:31, skipping insertion in model container
[2024-11-03 04:57:31,290 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:57:31" (3/3) ...
[2024-11-03 04:57:31,291 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-45.i
[2024-11-03 04:57:31,303 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:57:31,304 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:57:31,374 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:57:31,379 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;@71c7f434, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:57:31,379 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:57:31,384 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 133 states, 92 states have (on average 1.5) internal successors, (138), 93 states have internal predecessors, (138), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:57:31,398 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 258
[2024-11-03 04:57:31,398 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:57:31,399 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:31,400 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:57:31,404 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:57:31,404 INFO  L85        PathProgramCache]: Analyzing trace with hash 1464402501, now seen corresponding path program 1 times
[2024-11-03 04:57:31,410 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:57:31,411 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351765360]
[2024-11-03 04:57:31,411 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:57:31,412 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:31,413 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:57:31,415 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 04:57:31,417 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 04:57:31,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:57:31,651 INFO  L255         TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:57:31,664 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:57:31,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked.
[2024-11-03 04:57:31,722 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:57:34,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked.
[2024-11-03 04:57:34,803 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:57:34,803 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351765360]
[2024-11-03 04:57:34,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [351765360] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:57:34,804 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:57:34,804 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:57:34,806 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602608773]
[2024-11-03 04:57:34,807 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:57:34,814 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:57:34,814 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:57:34,837 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:57:34,838 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:57:34,840 INFO  L87              Difference]: Start difference. First operand  has 133 states, 92 states have (on average 1.5) internal successors, (138), 93 states have internal predecessors, (138), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38)
[2024-11-03 04:57:34,875 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:57:34,875 INFO  L93              Difference]: Finished difference Result 258 states and 458 transitions.
[2024-11-03 04:57:34,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:57:34,877 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 257
[2024-11-03 04:57:34,878 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:57:34,884 INFO  L225             Difference]: With dead ends: 258
[2024-11-03 04:57:34,884 INFO  L226             Difference]: Without dead ends: 128
[2024-11-03 04:57:34,888 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 512 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 04:57:34,891 INFO  L432           NwaCegarLoop]: 204 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, 204 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 04:57:34,892 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:57:34,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-11-03 04:57:34,932 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2024-11-03 04:57:34,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 128 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 88 states have internal predecessors, (128), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:57:34,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 204 transitions.
[2024-11-03 04:57:34,940 INFO  L78                 Accepts]: Start accepts. Automaton has 128 states and 204 transitions. Word has length 257
[2024-11-03 04:57:34,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:57:34,941 INFO  L471      AbstractCegarLoop]: Abstraction has 128 states and 204 transitions.
[2024-11-03 04:57:34,941 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, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38)
[2024-11-03 04:57:34,942 INFO  L276                IsEmpty]: Start isEmpty. Operand 128 states and 204 transitions.
[2024-11-03 04:57:34,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 258
[2024-11-03 04:57:34,950 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:57:34,950 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:34,956 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 04:57:35,151 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 04:57:35,151 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:57:35,152 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:57:35,152 INFO  L85        PathProgramCache]: Analyzing trace with hash -1271422783, now seen corresponding path program 1 times
[2024-11-03 04:57:35,153 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:57:35,153 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813083963]
[2024-11-03 04:57:35,153 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:57:35,153 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:35,154 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:57:35,158 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 04:57:35,159 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 04:57:35,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:57:35,369 INFO  L255         TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:57:35,384 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:57:36,410 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:57:36,411 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:57:40,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:57:40,422 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:57:40,422 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813083963]
[2024-11-03 04:57:40,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [813083963] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:57:40,423 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:57:40,423 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:57:40,423 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116640117]
[2024-11-03 04:57:40,423 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:57:40,425 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:57:40,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:57:40,426 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:57:40,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:57:40,427 INFO  L87              Difference]: Start difference. First operand 128 states and 204 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:57:45,418 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:57:49,429 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 04:57:49,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:57:49,659 INFO  L93              Difference]: Finished difference Result 368 states and 589 transitions.
[2024-11-03 04:57:49,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:57:49,660 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 257
[2024-11-03 04:57:49,662 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:57:49,666 INFO  L225             Difference]: With dead ends: 368
[2024-11-03 04:57:49,666 INFO  L226             Difference]: Without dead ends: 243
[2024-11-03 04:57:49,668 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 511 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 04:57:49,669 INFO  L432           NwaCegarLoop]: 218 mSDtfsCounter, 163 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time
[2024-11-03 04:57:49,670 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 401 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time]
[2024-11-03 04:57:49,671 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 243 states.
[2024-11-03 04:57:49,695 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 153.
[2024-11-03 04:57:49,695 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 113 states have internal predecessors, (168), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:57:49,697 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 244 transitions.
[2024-11-03 04:57:49,698 INFO  L78                 Accepts]: Start accepts. Automaton has 153 states and 244 transitions. Word has length 257
[2024-11-03 04:57:49,699 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:57:49,699 INFO  L471      AbstractCegarLoop]: Abstraction has 153 states and 244 transitions.
[2024-11-03 04:57:49,700 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:57:49,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 244 transitions.
[2024-11-03 04:57:49,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 258
[2024-11-03 04:57:49,703 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:57:49,704 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:49,707 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 04:57:49,904 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 04:57:49,905 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:57:49,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:57:49,905 INFO  L85        PathProgramCache]: Analyzing trace with hash -1248790529, now seen corresponding path program 1 times
[2024-11-03 04:57:49,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:57:49,906 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243632201]
[2024-11-03 04:57:49,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:57:49,906 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:57:49,906 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:57:49,908 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 04:57:49,908 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 04:57:50,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:57:50,086 INFO  L255         TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:57:50,091 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:57:50,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:57:50,276 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:57:53,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:57:53,577 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:57:53,577 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243632201]
[2024-11-03 04:57:53,577 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [243632201] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:57:53,577 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:57:53,577 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:57:53,578 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452703141]
[2024-11-03 04:57:53,578 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:57:53,579 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:57:53,579 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:57:53,579 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:57:53,580 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:57:53,580 INFO  L87              Difference]: Start difference. First operand 153 states and 244 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:57:58,335 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 04:58:02,340 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 04:58:02,619 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:58:02,619 INFO  L93              Difference]: Finished difference Result 443 states and 708 transitions.
[2024-11-03 04:58:02,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:58:02,622 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 257
[2024-11-03 04:58:02,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:58:02,626 INFO  L225             Difference]: With dead ends: 443
[2024-11-03 04:58:02,626 INFO  L226             Difference]: Without dead ends: 293
[2024-11-03 04:58:02,627 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 511 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 04:58:02,628 INFO  L432           NwaCegarLoop]: 383 mSDtfsCounter, 185 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time
[2024-11-03 04:58:02,629 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 575 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time]
[2024-11-03 04:58:02,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 293 states.
[2024-11-03 04:58:02,651 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 197.
[2024-11-03 04:58:02,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 197 states, 157 states have (on average 1.5031847133757963) internal successors, (236), 157 states have internal predecessors, (236), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:58:02,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 312 transitions.
[2024-11-03 04:58:02,654 INFO  L78                 Accepts]: Start accepts. Automaton has 197 states and 312 transitions. Word has length 257
[2024-11-03 04:58:02,659 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:58:02,659 INFO  L471      AbstractCegarLoop]: Abstraction has 197 states and 312 transitions.
[2024-11-03 04:58:02,660 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:58:02,660 INFO  L276                IsEmpty]: Start isEmpty. Operand 197 states and 312 transitions.
[2024-11-03 04:58:02,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 258
[2024-11-03 04:58:02,662 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:58:02,662 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:02,668 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 04:58:02,865 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 04:58:02,865 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:58:02,866 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:58:02,866 INFO  L85        PathProgramCache]: Analyzing trace with hash -1108241919, now seen corresponding path program 1 times
[2024-11-03 04:58:02,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:58:02,866 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002195654]
[2024-11-03 04:58:02,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:58:02,867 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:58:02,867 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:58:02,868 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 04:58:02,869 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 04:58:03,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:58:03,072 INFO  L255         TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 211 conjuncts are in the unsatisfiable core
[2024-11-03 04:58:03,097 INFO  L278         TraceCheckSpWp]: Computing forward predicates...