/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_amount50_file-81.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:38:04,692 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:38:04,753 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 05:38:04,757 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:38:04,757 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:38:04,776 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:38:04,777 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:38:04,777 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:38:04,778 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:38:04,778 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:38:04,779 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:38:04,779 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:38:04,779 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:38:04,780 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:38:04,780 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:38:04,780 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:38:04,781 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:38:04,781 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:38:04,782 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:38:04,782 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:38:04,782 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:38:04,784 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:38:04,784 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:38:04,784 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:38:04,784 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:38:04,785 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:38:04,785 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:38:04,785 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:38:04,786 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:38:04,786 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:38:04,786 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:38:04,787 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:38:04,787 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:38:04,787 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:38:04,788 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:38:04,788 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:38:04,788 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:38:04,789 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:38:04,789 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:38:04,789 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:38:04,790 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:38:04,790 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:38:04,790 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:38:04,791 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:38:04,791 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:38:05,021 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:38:05,045 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:38:05,048 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:38:05,049 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:38:05,050 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:38:05,051 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-81.i
[2024-11-03 05:38:06,501 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:38:06,685 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:38:06,686 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-81.i
[2024-11-03 05:38:06,698 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f627d1d9e/285afc532b80481ca80942ab1e12b6a6/FLAGe97d809ea
[2024-11-03 05:38:06,711 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f627d1d9e/285afc532b80481ca80942ab1e12b6a6
[2024-11-03 05:38:06,713 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:38:06,714 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:38:06,716 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:38:06,716 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:38:06,721 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:38:06,722 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:38:06" (1/1) ...
[2024-11-03 05:38:06,723 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24384498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:06, skipping insertion in model container
[2024-11-03 05:38:06,723 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:38:06" (1/1) ...
[2024-11-03 05:38:06,757 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:38:06,905 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_amount50_file-81.i[915,928]
[2024-11-03 05:38:06,960 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:38:06,980 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:38:06,991 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_amount50_file-81.i[915,928]
[2024-11-03 05:38:07,021 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:38:07,039 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:38:07,040 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07 WrapperNode
[2024-11-03 05:38:07,040 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:38:07,041 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:38:07,041 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:38:07,041 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:38:07,048 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,059 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,084 INFO  L138                Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151
[2024-11-03 05:38:07,085 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:38:07,086 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:38:07,086 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:38:07,086 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:38:07,096 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,096 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,100 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,111 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 05:38:07,112 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,112 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,120 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,123 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,124 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,126 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,129 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:38:07,129 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:38:07,129 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:38:07,130 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:38:07,134 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (1/1) ...
[2024-11-03 05:38:07,142 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:38:07,159 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:38:07,172 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 05:38:07,174 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 05:38:07,195 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:38:07,195 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:38:07,195 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:38:07,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:38:07,196 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:38:07,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:38:07,269 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:38:07,271 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:38:07,560 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-03 05:38:07,560 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:38:07,573 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:38:07,574 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:38:07,574 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:38:07 BoogieIcfgContainer
[2024-11-03 05:38:07,574 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:38:07,576 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:38:07,576 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:38:07,578 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:38:07,578 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:38:06" (1/3) ...
[2024-11-03 05:38:07,579 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6dcc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:38:07, skipping insertion in model container
[2024-11-03 05:38:07,579 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:38:07" (2/3) ...
[2024-11-03 05:38:07,579 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6dcc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:38:07, skipping insertion in model container
[2024-11-03 05:38:07,579 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:38:07" (3/3) ...
[2024-11-03 05:38:07,580 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-81.i
[2024-11-03 05:38:07,595 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:38:07,595 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:38:07,647 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:38:07,653 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;@2566946c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:38:07,653 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:38:07,658 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 68 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 05:38:07,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-03 05:38:07,672 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:38:07,672 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:38:07,673 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:38:07,677 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:38:07,678 INFO  L85        PathProgramCache]: Analyzing trace with hash -13092135, now seen corresponding path program 1 times
[2024-11-03 05:38:07,685 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:38:07,686 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200738054]
[2024-11-03 05:38:07,686 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:38:07,688 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:38:07,688 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:38:07,694 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:38:07,696 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 05:38:07,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:38:07,894 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:38:07,908 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:38:07,960 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-03 05:38:07,960 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:38:08,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-03 05:38:08,113 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:38:08,113 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200738054]
[2024-11-03 05:38:08,114 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [200738054] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:38:08,114 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:38:08,114 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:38:08,116 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884927812]
[2024-11-03 05:38:08,117 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:38:08,121 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:38:08,122 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:38:08,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:38:08,144 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:38:08,146 INFO  L87              Difference]: Start difference. First operand  has 68 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 05:38:08,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:38:08,182 INFO  L93              Difference]: Finished difference Result 129 states and 228 transitions.
[2024-11-03 05:38:08,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:38:08,185 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160
[2024-11-03 05:38:08,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:38:08,194 INFO  L225             Difference]: With dead ends: 129
[2024-11-03 05:38:08,194 INFO  L226             Difference]: Without dead ends: 64
[2024-11-03 05:38:08,200 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:38:08,203 INFO  L432           NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 05:38:08,204 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:38:08,222 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-03 05:38:08,248 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-11-03 05:38:08,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 05:38:08,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 97 transitions.
[2024-11-03 05:38:08,260 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 97 transitions. Word has length 160
[2024-11-03 05:38:08,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:38:08,261 INFO  L471      AbstractCegarLoop]: Abstraction has 64 states and 97 transitions.
[2024-11-03 05:38:08,261 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 05:38:08,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions.
[2024-11-03 05:38:08,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-03 05:38:08,268 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:38:08,268 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:38:08,272 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 05:38:08,469 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:38:08,470 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:38:08,470 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:38:08,471 INFO  L85        PathProgramCache]: Analyzing trace with hash 843592089, now seen corresponding path program 1 times
[2024-11-03 05:38:08,471 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:38:08,471 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611379790]
[2024-11-03 05:38:08,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:38:08,471 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:38:08,472 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:38:08,473 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:38:08,474 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 05:38:08,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:38:08,651 INFO  L255         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 99 conjuncts are in the unsatisfiable core
[2024-11-03 05:38:08,673 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:38:11,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked.
[2024-11-03 05:38:11,118 INFO  L311         TraceCheckSpWp]: Computing backward predicates...