/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-21.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:53:52,009 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:53:52,081 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 04:53:52,088 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:53:52,088 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:53:52,119 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:53:52,120 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:53:52,120 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:53:52,121 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:53:52,121 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:53:52,121 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:53:52,122 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:53:52,122 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:53:52,126 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:53:52,126 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:53:52,127 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:53:52,127 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:53:52,127 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:53:52,127 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:53:52,128 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:53:52,128 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:53:52,130 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:53:52,131 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:53:52,131 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:53:52,131 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:53:52,131 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:53:52,132 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:53:52,132 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:53:52,132 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:53:52,132 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:53:52,133 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:53:52,133 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:53:52,133 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:53:52,133 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:53:52,134 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:53:52,134 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:53:52,134 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:53:52,134 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:53:52,135 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:53:52,135 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:53:52,136 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:53:52,136 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:53:52,136 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:53:52,136 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:53:52,137 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:53:52,365 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:53:52,390 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:53:52,392 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:53:52,393 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:53:52,393 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:53:52,395 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-21.i
[2024-11-03 04:53:53,828 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:53:54,065 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:53:54,066 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-21.i
[2024-11-03 04:53:54,078 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77baa50d5/12e02654daf446ccad3a04de7d00faee/FLAG65f4b0777
[2024-11-03 04:53:54,091 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77baa50d5/12e02654daf446ccad3a04de7d00faee
[2024-11-03 04:53:54,093 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:53:54,094 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:53:54,095 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:53:54,095 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:53:54,101 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:53:54,101 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,102 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce621d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54, skipping insertion in model container
[2024-11-03 04:53:54,103 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,146 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:53:54,326 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-21.i[916,929]
[2024-11-03 04:53:54,479 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:53:54,503 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:53:54,514 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-21.i[916,929]
[2024-11-03 04:53:54,606 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:53:54,635 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:53:54,637 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54 WrapperNode
[2024-11-03 04:53:54,638 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:53:54,639 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:53:54,639 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:53:54,639 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:53:54,646 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,672 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,705 INFO  L138                Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 348
[2024-11-03 04:53:54,705 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:53:54,706 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:53:54,706 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:53:54,706 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:53:54,717 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,718 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,726 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,757 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 04:53:54,757 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,757 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,783 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,791 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,804 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,809 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,824 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:53:54,825 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:53:54,825 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:53:54,825 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:53:54,826 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (1/1) ...
[2024-11-03 04:53:54,833 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:53:54,877 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:53:54,897 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 04:53:54,900 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 04:53:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:53:54,929 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:53:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:53:54,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:53:54,930 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:53:54,930 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:53:55,029 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:53:55,031 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:54:14,786 INFO  L?                        ?]: Removed 36 outVars from TransFormulas that were not future-live.
[2024-11-03 04:54:14,786 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:54:14,805 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:54:14,806 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:54:14,807 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:54:14 BoogieIcfgContainer
[2024-11-03 04:54:14,807 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:54:14,810 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:54:14,810 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:54:14,814 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:54:14,814 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:53:54" (1/3) ...
[2024-11-03 04:54:14,815 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f3801d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:54:14, skipping insertion in model container
[2024-11-03 04:54:14,815 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:53:54" (2/3) ...
[2024-11-03 04:54:14,815 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f3801d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:54:14, skipping insertion in model container
[2024-11-03 04:54:14,816 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:54:14" (3/3) ...
[2024-11-03 04:54:14,817 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-21.i
[2024-11-03 04:54:14,834 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:54:14,835 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:54:14,905 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:54:14,910 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;@683fdd5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:54:14,911 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:54:14,916 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 146 states, 97 states have (on average 1.5257731958762886) internal successors, (148), 98 states have internal predecessors, (148), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-03 04:54:14,939 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 296
[2024-11-03 04:54:14,940 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:54:14,941 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:14,941 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:54:14,946 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:54:14,946 INFO  L85        PathProgramCache]: Analyzing trace with hash -2067496366, now seen corresponding path program 1 times
[2024-11-03 04:54:14,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:54:14,956 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147030469]
[2024-11-03 04:54:14,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:54:14,959 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:54:14,962 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:54:14,966 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 04:54:14,968 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 04:54:15,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:54:15,257 INFO  L255         TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:54:15,276 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:54:15,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked.
[2024-11-03 04:54:15,343 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:54:17,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked.
[2024-11-03 04:54:17,741 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:54:17,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147030469]
[2024-11-03 04:54:17,742 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1147030469] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:54:17,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:54:17,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:54:17,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503005467]
[2024-11-03 04:54:17,745 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:54:17,750 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:54:17,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:54:17,770 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:54:17,771 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:54:17,774 INFO  L87              Difference]: Start difference. First operand  has 146 states, 97 states have (on average 1.5257731958762886) internal successors, (148), 98 states have internal predecessors, (148), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand  has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46)
[2024-11-03 04:54:17,810 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:54:17,810 INFO  L93              Difference]: Finished difference Result 285 states and 520 transitions.
[2024-11-03 04:54:17,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:54:17,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 295
[2024-11-03 04:54:17,813 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:54:17,821 INFO  L225             Difference]: With dead ends: 285
[2024-11-03 04:54:17,821 INFO  L226             Difference]: Without dead ends: 142
[2024-11-03 04:54:17,825 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 588 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 04:54:17,828 INFO  L432           NwaCegarLoop]: 231 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, 231 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 04:54:17,829 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:54:17,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2024-11-03 04:54:17,879 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2024-11-03 04:54:17,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 142 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 94 states have internal predecessors, (139), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-03 04:54:17,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 231 transitions.
[2024-11-03 04:54:17,885 INFO  L78                 Accepts]: Start accepts. Automaton has 142 states and 231 transitions. Word has length 295
[2024-11-03 04:54:17,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:54:17,886 INFO  L471      AbstractCegarLoop]: Abstraction has 142 states and 231 transitions.
[2024-11-03 04:54:17,886 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46)
[2024-11-03 04:54:17,886 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions.
[2024-11-03 04:54:17,892 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 296
[2024-11-03 04:54:17,893 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:54:17,893 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:17,899 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 04:54:18,094 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 04:54:18,095 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:54:18,095 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:54:18,096 INFO  L85        PathProgramCache]: Analyzing trace with hash 213221720, now seen corresponding path program 1 times
[2024-11-03 04:54:18,096 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:54:18,096 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555657363]
[2024-11-03 04:54:18,096 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:54:18,097 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:54:18,097 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:54:18,100 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 04:54:18,101 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 04:54:18,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:54:18,335 INFO  L255         TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:54:18,342 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:54:18,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked.
[2024-11-03 04:54:18,504 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:54:20,882 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked.
[2024-11-03 04:54:20,883 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:54:20,883 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555657363]
[2024-11-03 04:54:20,883 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [555657363] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:54:20,883 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:54:20,883 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:54:20,884 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670942738]
[2024-11-03 04:54:20,884 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:54:20,886 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:54:20,886 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:54:20,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:54:20,887 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:54:20,888 INFO  L87              Difference]: Start difference. First operand 142 states and 231 transitions. Second operand  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46)
[2024-11-03 04:54:25,628 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:54:29,633 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 04:54:30,162 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:54:30,162 INFO  L93              Difference]: Finished difference Result 412 states and 672 transitions.
[2024-11-03 04:54:30,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:54:30,163 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 295
[2024-11-03 04:54:30,165 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:54:30,168 INFO  L225             Difference]: With dead ends: 412
[2024-11-03 04:54:30,169 INFO  L226             Difference]: Without dead ends: 273
[2024-11-03 04:54:30,170 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 587 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 04:54:30,172 INFO  L432           NwaCegarLoop]: 396 mSDtfsCounter, 209 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time
[2024-11-03 04:54:30,173 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 596 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time]
[2024-11-03 04:54:30,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2024-11-03 04:54:30,233 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 271.
[2024-11-03 04:54:30,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 271 states, 176 states have (on average 1.4261363636363635) internal successors, (251), 176 states have internal predecessors, (251), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92)
[2024-11-03 04:54:30,237 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 435 transitions.
[2024-11-03 04:54:30,238 INFO  L78                 Accepts]: Start accepts. Automaton has 271 states and 435 transitions. Word has length 295
[2024-11-03 04:54:30,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:54:30,240 INFO  L471      AbstractCegarLoop]: Abstraction has 271 states and 435 transitions.
[2024-11-03 04:54:30,240 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46)
[2024-11-03 04:54:30,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 271 states and 435 transitions.
[2024-11-03 04:54:30,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 297
[2024-11-03 04:54:30,245 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:54:30,245 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:30,249 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 04:54:30,446 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 04:54:30,446 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:54:30,447 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:54:30,447 INFO  L85        PathProgramCache]: Analyzing trace with hash 1812828732, now seen corresponding path program 1 times
[2024-11-03 04:54:30,447 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:54:30,447 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372161676]
[2024-11-03 04:54:30,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:54:30,448 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:54:30,448 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:54:30,449 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 04:54:30,451 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 04:54:30,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:54:30,653 INFO  L255         TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:54:30,658 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:54:31,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked.
[2024-11-03 04:54:31,156 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:54:34,051 INFO  L134       CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked.
[2024-11-03 04:54:34,052 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:54:34,052 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372161676]
[2024-11-03 04:54:34,052 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1372161676] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:54:34,052 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:54:34,053 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:54:34,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473129866]
[2024-11-03 04:54:34,053 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:54:34,057 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:54:34,058 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:54:34,059 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:54:34,059 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:54:34,059 INFO  L87              Difference]: Start difference. First operand 271 states and 435 transitions. Second operand  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46)
[2024-11-03 04:54:38,741 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:54:42,751 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 04:54:42,935 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:54:42,935 INFO  L93              Difference]: Finished difference Result 552 states and 888 transitions.
[2024-11-03 04:54:42,936 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:54:42,937 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 296
[2024-11-03 04:54:42,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:54:42,941 INFO  L225             Difference]: With dead ends: 552
[2024-11-03 04:54:42,941 INFO  L226             Difference]: Without dead ends: 284
[2024-11-03 04:54:42,943 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:54:42,944 INFO  L432           NwaCegarLoop]: 264 mSDtfsCounter, 192 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time
[2024-11-03 04:54:42,944 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 469 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time]
[2024-11-03 04:54:42,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2024-11-03 04:54:42,983 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 282.
[2024-11-03 04:54:42,985 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 282 states, 187 states have (on average 1.4064171122994653) internal successors, (263), 187 states have internal predecessors, (263), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92)
[2024-11-03 04:54:42,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 447 transitions.
[2024-11-03 04:54:42,991 INFO  L78                 Accepts]: Start accepts. Automaton has 282 states and 447 transitions. Word has length 296
[2024-11-03 04:54:42,992 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:54:42,993 INFO  L471      AbstractCegarLoop]: Abstraction has 282 states and 447 transitions.
[2024-11-03 04:54:42,994 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46)
[2024-11-03 04:54:42,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 282 states and 447 transitions.
[2024-11-03 04:54:42,998 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 298
[2024-11-03 04:54:42,998 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:54:42,998 INFO  L215           NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:43,007 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 04:54:43,199 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 04:54:43,200 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:54:43,201 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:54:43,201 INFO  L85        PathProgramCache]: Analyzing trace with hash 667017364, now seen corresponding path program 1 times
[2024-11-03 04:54:43,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:54:43,201 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166159639]
[2024-11-03 04:54:43,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:54:43,202 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:54:43,202 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:54:43,205 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 04:54:43,207 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 04:54:43,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:54:43,431 INFO  L255         TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 167 conjuncts are in the unsatisfiable core
[2024-11-03 04:54:43,455 INFO  L278         TraceCheckSpWp]: Computing forward predicates...