/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-31.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 01:14:12,319 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 01:14:12,394 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 01:14:12,400 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 01:14:12,400 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 01:14:12,432 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 01:14:12,432 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 01:14:12,433 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 01:14:12,433 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 01:14:12,433 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 01:14:12,434 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 01:14:12,435 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 01:14:12,436 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 01:14:12,437 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 01:14:12,438 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 01:14:12,438 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 01:14:12,438 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 01:14:12,439 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 01:14:12,439 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 01:14:12,439 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 01:14:12,439 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 01:14:12,440 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 01:14:12,440 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 01:14:12,440 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 01:14:12,441 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 01:14:12,441 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 01:14:12,441 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 01:14:12,441 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 01:14:12,442 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 01:14:12,442 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 01:14:12,442 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 01:14:12,442 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 01:14:12,442 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 01:14:12,443 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 01:14:12,443 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:14:12,443 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 01:14:12,443 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 01:14:12,444 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 01:14:12,444 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 01:14:12,444 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:12,444 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 01:14:12,445 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 01:14:12,445 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 01:14:12,445 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 01:14:12,445 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:12,698 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 01:14:12,721 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 01:14:12,726 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 01:14:12,728 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 01:14:12,728 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 01:14:12,729 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-31.i
[2024-11-03 01:14:14,214 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 01:14:14,470 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 01:14:14,471 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-31.i
[2024-11-03 01:14:14,486 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05afd2c3/6799983efb674872ae3e1e158734e0f7/FLAGb6c21f60c
[2024-11-03 01:14:14,774 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05afd2c3/6799983efb674872ae3e1e158734e0f7
[2024-11-03 01:14:14,776 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 01:14:14,777 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 01:14:14,779 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 01:14:14,780 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 01:14:14,784 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 01:14:14,785 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:14:14" (1/1) ...
[2024-11-03 01:14:14,786 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5cd15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:14, skipping insertion in model container
[2024-11-03 01:14:14,786 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:14:14" (1/1) ...
[2024-11-03 01:14:14,828 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 01:14:15,001 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-31.i[916,929]
[2024-11-03 01:14:15,145 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:14:15,160 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 01:14:15,173 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-31.i[916,929]
[2024-11-03 01:14:15,266 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 01:14:15,295 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 01:14:15,297 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15 WrapperNode
[2024-11-03 01:14:15,298 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 01:14:15,299 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 01:14:15,299 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 01:14:15,299 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 01:14:15,305 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,322 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,358 INFO  L138                Inliner]: procedures = 27, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 373
[2024-11-03 01:14:15,358 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 01:14:15,361 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 01:14:15,361 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 01:14:15,361 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 01:14:15,374 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,374 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,383 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,414 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 01:14:15,414 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,415 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,453 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,463 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,469 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,472 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,478 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 01:14:15,479 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 01:14:15,479 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 01:14:15,479 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 01:14:15,480 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (1/1) ...
[2024-11-03 01:14:15,489 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 01:14:15,500 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 01:14:15,516 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 01:14:15,524 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 01:14:15,545 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 01:14:15,545 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 01:14:15,545 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 01:14:15,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 01:14:15,546 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 01:14:15,546 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 01:14:15,664 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 01:14:15,666 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 01:14:49,100 INFO  L?                        ?]: Removed 39 outVars from TransFormulas that were not future-live.
[2024-11-03 01:14:49,101 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 01:14:49,122 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 01:14:49,122 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 01:14:49,123 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:14:49 BoogieIcfgContainer
[2024-11-03 01:14:49,123 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 01:14:49,126 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 01:14:49,126 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 01:14:49,130 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 01:14:49,130 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:14:14" (1/3) ...
[2024-11-03 01:14:49,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492a5466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:14:49, skipping insertion in model container
[2024-11-03 01:14:49,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:14:15" (2/3) ...
[2024-11-03 01:14:49,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492a5466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:14:49, skipping insertion in model container
[2024-11-03 01:14:49,132 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:14:49" (3/3) ...
[2024-11-03 01:14:49,133 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-31.i
[2024-11-03 01:14:49,150 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 01:14:49,150 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 01:14:49,219 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 01:14:49,228 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;@3a9a8a84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 01:14:49,229 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 01:14:49,236 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 165 states, 104 states have (on average 1.4519230769230769) internal successors, (151), 105 states have internal predecessors, (151), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-03 01:14:49,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 365
[2024-11-03 01:14:49,256 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:14:49,257 INFO  L215           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:14:49,257 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:14:49,262 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:14:49,262 INFO  L85        PathProgramCache]: Analyzing trace with hash 1615451084, now seen corresponding path program 1 times
[2024-11-03 01:14:49,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:14:49,271 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63091481]
[2024-11-03 01:14:49,271 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:14:49,273 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:49,274 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:14:49,276 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:14:49,277 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 01:14:50,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:14:50,778 INFO  L255         TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 01:14:50,791 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:14:50,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6498 trivial. 0 not checked.
[2024-11-03 01:14:50,861 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:14:56,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6498 trivial. 0 not checked.
[2024-11-03 01:14:56,570 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:14:56,570 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63091481]
[2024-11-03 01:14:56,571 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [63091481] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:14:56,571 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:14:56,571 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 01:14:56,573 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899554186]
[2024-11-03 01:14:56,573 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:14:56,581 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 01:14:56,581 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:14:56,600 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 01:14:56,601 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:14:56,603 INFO  L87              Difference]: Start difference. First operand  has 165 states, 104 states have (on average 1.4519230769230769) internal successors, (151), 105 states have internal predecessors, (151), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand  has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (58), 1 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 1 states have call successors, (58)
[2024-11-03 01:14:56,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:14:56,652 INFO  L93              Difference]: Finished difference Result 322 states and 584 transitions.
[2024-11-03 01:14:56,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 01:14:56,656 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (58), 1 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 1 states have call successors, (58) Word has length 364
[2024-11-03 01:14:56,656 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:14:56,664 INFO  L225             Difference]: With dead ends: 322
[2024-11-03 01:14:56,664 INFO  L226             Difference]: Without dead ends: 160
[2024-11-03 01:14:56,669 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 01:14:56,672 INFO  L432           NwaCegarLoop]: 257 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, 257 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 01:14:56,673 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 01:14:56,687 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-03 01:14:56,727 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160.
[2024-11-03 01:14:56,728 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 160 states, 100 states have (on average 1.41) internal successors, (141), 100 states have internal predecessors, (141), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-03 01:14:56,733 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 257 transitions.
[2024-11-03 01:14:56,735 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 257 transitions. Word has length 364
[2024-11-03 01:14:56,735 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:14:56,735 INFO  L471      AbstractCegarLoop]: Abstraction has 160 states and 257 transitions.
[2024-11-03 01:14:56,736 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 1 states have call successors, (58), 1 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 1 states have call successors, (58)
[2024-11-03 01:14:56,736 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 257 transitions.
[2024-11-03 01:14:56,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 365
[2024-11-03 01:14:56,744 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:14:56,745 INFO  L215           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:14:56,762 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 01:14:56,946 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:56,947 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:14:56,947 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:14:56,947 INFO  L85        PathProgramCache]: Analyzing trace with hash -351218880, now seen corresponding path program 1 times
[2024-11-03 01:14:56,948 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:14:56,948 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411209800]
[2024-11-03 01:14:56,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:14:56,948 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:14:56,948 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:14:56,949 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:14:56,951 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 01:14:58,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:14:58,330 INFO  L255         TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 01:14:58,339 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:14:59,076 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2024-11-03 01:14:59,076 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:15:05,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2024-11-03 01:15:05,414 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:15:05,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411209800]
[2024-11-03 01:15:05,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1411209800] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:15:05,414 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:15:05,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 01:15:05,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935755660]
[2024-11-03 01:15:05,415 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:15:05,417 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 01:15:05,418 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:15:05,421 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 01:15:05,422 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 01:15:05,422 INFO  L87              Difference]: Start difference. First operand 160 states and 257 transitions. Second operand  has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2024-11-03 01:15:11,506 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:15,520 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:15,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:15:15,916 INFO  L93              Difference]: Finished difference Result 466 states and 749 transitions.
[2024-11-03 01:15:15,917 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 01:15:15,918 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 364
[2024-11-03 01:15:15,920 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:15:15,927 INFO  L225             Difference]: With dead ends: 466
[2024-11-03 01:15:15,927 INFO  L226             Difference]: Without dead ends: 309
[2024-11-03 01:15:15,929 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 725 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 01:15:15,933 INFO  L432           NwaCegarLoop]: 249 mSDtfsCounter, 227 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time
[2024-11-03 01:15:15,934 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 482 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time]
[2024-11-03 01:15:15,935 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 309 states.
[2024-11-03 01:15:16,007 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 306.
[2024-11-03 01:15:16,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 306 states, 187 states have (on average 1.3636363636363635) internal successors, (255), 187 states have internal predecessors, (255), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116)
[2024-11-03 01:15:16,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 487 transitions.
[2024-11-03 01:15:16,013 INFO  L78                 Accepts]: Start accepts. Automaton has 306 states and 487 transitions. Word has length 364
[2024-11-03 01:15:16,015 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:15:16,015 INFO  L471      AbstractCegarLoop]: Abstraction has 306 states and 487 transitions.
[2024-11-03 01:15:16,015 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2024-11-03 01:15:16,015 INFO  L276                IsEmpty]: Start isEmpty. Operand 306 states and 487 transitions.
[2024-11-03 01:15:16,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2024-11-03 01:15:16,020 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:15:16,020 INFO  L215           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:15:16,035 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 01:15:16,220 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:15:16,221 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:15:16,222 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:15:16,222 INFO  L85        PathProgramCache]: Analyzing trace with hash 109638241, now seen corresponding path program 1 times
[2024-11-03 01:15:16,222 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:15:16,222 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661080598]
[2024-11-03 01:15:16,223 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:15:16,223 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:15:16,223 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:15:16,224 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:15:16,226 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 01:15:17,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:15:17,646 INFO  L255         TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 01:15:17,653 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 01:15:17,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2024-11-03 01:15:17,901 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 01:15:26,438 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2024-11-03 01:15:26,439 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 01:15:26,442 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661080598]
[2024-11-03 01:15:26,442 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [661080598] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 01:15:26,442 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 01:15:26,442 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 01:15:26,443 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870499231]
[2024-11-03 01:15:26,443 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 01:15:26,444 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 01:15:26,444 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 01:15:26,446 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 01:15:26,446 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 01:15:26,447 INFO  L87              Difference]: Start difference. First operand 306 states and 487 transitions. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2024-11-03 01:15:31,328 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 01:15:31,337 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 01:15:31,338 INFO  L93              Difference]: Finished difference Result 609 states and 971 transitions.
[2024-11-03 01:15:31,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 01:15:31,657 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 365
[2024-11-03 01:15:31,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 01:15:31,662 INFO  L225             Difference]: With dead ends: 609
[2024-11-03 01:15:31,662 INFO  L226             Difference]: Without dead ends: 306
[2024-11-03 01:15:31,664 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 727 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 01:15:31,665 INFO  L432           NwaCegarLoop]: 254 mSDtfsCounter, 0 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-11-03 01:15:31,665 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 505 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time]
[2024-11-03 01:15:31,667 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 306 states.
[2024-11-03 01:15:31,695 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306.
[2024-11-03 01:15:31,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 306 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 187 states have internal predecessors, (253), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116)
[2024-11-03 01:15:31,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 485 transitions.
[2024-11-03 01:15:31,699 INFO  L78                 Accepts]: Start accepts. Automaton has 306 states and 485 transitions. Word has length 365
[2024-11-03 01:15:31,700 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 01:15:31,700 INFO  L471      AbstractCegarLoop]: Abstraction has 306 states and 485 transitions.
[2024-11-03 01:15:31,701 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2024-11-03 01:15:31,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 306 states and 485 transitions.
[2024-11-03 01:15:31,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2024-11-03 01:15:31,703 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 01:15:31,704 INFO  L215           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 01:15:31,721 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 01:15:31,904 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 01:15:31,905 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 01:15:31,906 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 01:15:31,906 INFO  L85        PathProgramCache]: Analyzing trace with hash 132270495, now seen corresponding path program 1 times
[2024-11-03 01:15:31,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 01:15:31,906 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93140883]
[2024-11-03 01:15:31,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 01:15:31,906 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 01:15:31,907 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 01:15:31,908 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 01:15:31,909 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 01:15:36,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 01:15:36,271 INFO  L255         TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 01:15:36,281 INFO  L278         TraceCheckSpWp]: Computing forward predicates...