/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-85.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:33:29,467 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:33:29,519 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 13:33:29,523 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:33:29,523 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:33:29,552 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:33:29,554 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:33:29,554 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:33:29,555 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:33:29,556 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:33:29,556 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:33:29,556 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:33:29,557 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:33:29,557 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:33:29,558 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:33:29,558 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:33:29,559 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:33:29,561 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:33:29,561 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:33:29,562 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:33:29,562 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:33:29,562 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:33:29,563 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:33:29,563 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:33:29,563 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:33:29,563 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:33:29,563 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:33:29,564 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:33:29,564 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:33:29,564 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:33:29,564 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:33:29,564 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:33:29,565 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:33:29,565 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:33:29,565 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:33:29,566 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:33:29,567 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:33:29,567 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:33:29,567 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:33:29,567 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:33:29,567 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:33:29,568 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:33:29,568 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:33:29,568 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:33:29,568 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:33:29,792 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:33:29,816 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:33:29,818 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:33:29,819 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:33:29,820 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:33:29,821 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-85.i
[2024-11-03 13:33:31,231 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:33:31,451 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:33:31,452 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-85.i
[2024-11-03 13:33:31,463 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf345a4a/7ac069f9e0e24a3a9c573e7e3c6a2571/FLAG5a8ec8dfc
[2024-11-03 13:33:31,814 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf345a4a/7ac069f9e0e24a3a9c573e7e3c6a2571
[2024-11-03 13:33:31,816 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:33:31,817 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:33:31,819 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:33:31,819 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:33:31,824 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:33:31,825 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:33:31" (1/1) ...
[2024-11-03 13:33:31,826 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5876a984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:31, skipping insertion in model container
[2024-11-03 13:33:31,826 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:33:31" (1/1) ...
[2024-11-03 13:33:31,857 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:33:32,034 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-85.i[915,928]
[2024-11-03 13:33:32,082 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:33:32,097 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:33:32,108 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-85.i[915,928]
[2024-11-03 13:33:32,134 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:33:32,152 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:33:32,153 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32 WrapperNode
[2024-11-03 13:33:32,153 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:33:32,154 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:33:32,154 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:33:32,154 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:33:32,160 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,169 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,192 INFO  L138                Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124
[2024-11-03 13:33:32,192 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:33:32,193 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:33:32,193 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:33:32,193 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:33:32,203 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,203 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,207 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,230 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 13:33:32,231 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,231 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,239 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,242 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,246 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,247 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,250 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:33:32,251 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:33:32,251 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:33:32,251 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:33:32,254 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (1/1) ...
[2024-11-03 13:33:32,260 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:33:32,271 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:33:32,286 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 13:33:32,290 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 13:33:32,322 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:33:32,322 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:33:32,322 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 13:33:32,322 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 13:33:32,322 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:33:32,323 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:33:32,413 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:33:32,415 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:33:34,729 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-03 13:33:34,729 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:33:34,744 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:33:34,744 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 13:33:34,744 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:33:34 BoogieIcfgContainer
[2024-11-03 13:33:34,745 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:33:34,748 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:33:34,748 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:33:34,751 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:33:34,751 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:33:31" (1/3) ...
[2024-11-03 13:33:34,752 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc506fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:33:34, skipping insertion in model container
[2024-11-03 13:33:34,752 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:33:32" (2/3) ...
[2024-11-03 13:33:34,753 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc506fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:33:34, skipping insertion in model container
[2024-11-03 13:33:34,753 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:33:34" (3/3) ...
[2024-11-03 13:33:34,755 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-85.i
[2024-11-03 13:33:34,770 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:33:34,770 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 13:33:34,820 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:33:34,825 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;@5c61e20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:33:34,826 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 13:33:34,830 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-11-03 13:33:34,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-11-03 13:33:34,838 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:33:34,838 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:34,839 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:33:34,842 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:33:34,842 INFO  L85        PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times
[2024-11-03 13:33:34,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:33:34,850 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706823392]
[2024-11-03 13:33:34,850 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:33:34,851 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:33:34,851 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:34,853 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:33:34,854 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:33:34,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:33:34,982 INFO  L255         TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 13:33:34,992 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:33:35,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked.
[2024-11-03 13:33:35,035 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:33:35,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked.
[2024-11-03 13:33:35,226 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:33:35,226 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706823392]
[2024-11-03 13:33:35,227 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [706823392] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:33:35,227 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:33:35,230 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 13:33:35,233 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072201786]
[2024-11-03 13:33:35,233 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:33:35,238 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 13:33:35,239 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:33:35,256 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 13:33:35,256 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:33:35,258 INFO  L87              Difference]: Start difference. First operand  has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-03 13:33:35,277 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:33:35,277 INFO  L93              Difference]: Finished difference Result 101 states and 169 transitions.
[2024-11-03 13:33:35,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 13:33:35,279 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101
[2024-11-03 13:33:35,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:33:35,285 INFO  L225             Difference]: With dead ends: 101
[2024-11-03 13:33:35,285 INFO  L226             Difference]: Without dead ends: 50
[2024-11-03 13:33:35,288 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 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 13:33:35,290 INFO  L432           NwaCegarLoop]: 73 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, 73 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 13:33:35,291 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 13:33:35,305 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-03 13:33:35,324 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-03 13:33:35,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2024-11-03 13:33:35,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions.
[2024-11-03 13:33:35,329 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101
[2024-11-03 13:33:35,329 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:33:35,329 INFO  L471      AbstractCegarLoop]: Abstraction has 50 states and 73 transitions.
[2024-11-03 13:33:35,330 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-03 13:33:35,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions.
[2024-11-03 13:33:35,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-11-03 13:33:35,336 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:33:35,336 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:35,339 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 13:33:35,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:35,537 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:33:35,538 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:33:35,538 INFO  L85        PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times
[2024-11-03 13:33:35,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:33:35,539 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507117630]
[2024-11-03 13:33:35,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:33:35,539 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:33:35,539 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:35,541 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:33:35,542 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:33:35,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:33:35,665 INFO  L255         TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 13:33:35,675 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:33:37,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-03 13:33:37,126 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:33:37,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-03 13:33:37,589 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:33:37,589 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507117630]
[2024-11-03 13:33:37,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1507117630] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:33:37,590 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:33:37,590 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7
[2024-11-03 13:33:37,590 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369995436]
[2024-11-03 13:33:37,590 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:33:37,592 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 13:33:37,592 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:33:37,593 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 13:33:37,593 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-03 13:33:37,594 INFO  L87              Difference]: Start difference. First operand 50 states and 73 transitions. Second operand  has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-03 13:33:39,359 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:33:40,746 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:33:40,789 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:33:40,789 INFO  L93              Difference]: Finished difference Result 202 states and 297 transitions.
[2024-11-03 13:33:40,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-03 13:33:40,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101
[2024-11-03 13:33:40,813 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:33:40,816 INFO  L225             Difference]: With dead ends: 202
[2024-11-03 13:33:40,816 INFO  L226             Difference]: Without dead ends: 155
[2024-11-03 13:33:40,817 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-03 13:33:40,818 INFO  L432           NwaCegarLoop]: 116 mSDtfsCounter, 193 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-03 13:33:40,818 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 380 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-03 13:33:40,819 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2024-11-03 13:33:40,861 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 88.
[2024-11-03 13:33:40,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-03 13:33:40,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions.
[2024-11-03 13:33:40,865 INFO  L78                 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 101
[2024-11-03 13:33:40,866 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:33:40,869 INFO  L471      AbstractCegarLoop]: Abstraction has 88 states and 130 transitions.
[2024-11-03 13:33:40,869 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-03 13:33:40,870 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions.
[2024-11-03 13:33:40,871 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-11-03 13:33:40,871 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:33:40,871 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:40,874 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 13:33:41,072 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:41,073 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:33:41,073 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:33:41,073 INFO  L85        PathProgramCache]: Analyzing trace with hash 735095753, now seen corresponding path program 1 times
[2024-11-03 13:33:41,074 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:33:41,074 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246850417]
[2024-11-03 13:33:41,074 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:33:41,074 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:33:41,074 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:41,076 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:33:41,077 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 13:33:41,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:33:41,168 INFO  L255         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 13:33:41,172 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:33:42,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-03 13:33:42,361 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:33:42,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-03 13:33:42,934 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:33:42,934 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246850417]
[2024-11-03 13:33:42,934 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1246850417] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:33:42,934 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:33:42,934 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8
[2024-11-03 13:33:42,934 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260561812]
[2024-11-03 13:33:42,934 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:33:42,935 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 13:33:42,935 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:33:42,936 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 13:33:42,936 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-03 13:33:42,938 INFO  L87              Difference]: Start difference. First operand 88 states and 130 transitions. Second operand  has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-03 13:33:47,062 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:33:48,153 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:33:48,153 INFO  L93              Difference]: Finished difference Result 202 states and 297 transitions.
[2024-11-03 13:33:48,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 13:33:48,178 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101
[2024-11-03 13:33:48,178 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:33:48,180 INFO  L225             Difference]: With dead ends: 202
[2024-11-03 13:33:48,180 INFO  L226             Difference]: Without dead ends: 149
[2024-11-03 13:33:48,181 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156
[2024-11-03 13:33:48,182 INFO  L432           NwaCegarLoop]: 61 mSDtfsCounter, 172 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-11-03 13:33:48,182 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 298 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time]
[2024-11-03 13:33:48,183 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-11-03 13:33:48,206 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 129.
[2024-11-03 13:33:48,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 129 states, 80 states have (on average 1.25) internal successors, (100), 80 states have internal predecessors, (100), 45 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2024-11-03 13:33:48,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 190 transitions.
[2024-11-03 13:33:48,211 INFO  L78                 Accepts]: Start accepts. Automaton has 129 states and 190 transitions. Word has length 101
[2024-11-03 13:33:48,212 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:33:48,212 INFO  L471      AbstractCegarLoop]: Abstraction has 129 states and 190 transitions.
[2024-11-03 13:33:48,212 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-03 13:33:48,212 INFO  L276                IsEmpty]: Start isEmpty. Operand 129 states and 190 transitions.
[2024-11-03 13:33:48,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 13:33:48,214 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:33:48,214 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:48,217 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0
[2024-11-03 13:33:48,416 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:48,416 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:33:48,417 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:33:48,417 INFO  L85        PathProgramCache]: Analyzing trace with hash -2046157833, now seen corresponding path program 1 times
[2024-11-03 13:33:48,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:33:48,417 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932431285]
[2024-11-03 13:33:48,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:33:48,418 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:33:48,418 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:48,419 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:33:48,420 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 13:33:48,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:33:48,499 INFO  L255         TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-03 13:33:48,504 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:33:50,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked.
[2024-11-03 13:33:50,303 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:33:51,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-11-03 13:33:51,183 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:33:51,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932431285]
[2024-11-03 13:33:51,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [932431285] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 13:33:51,183 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 13:33:51,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14
[2024-11-03 13:33:51,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202321587]
[2024-11-03 13:33:51,183 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 13:33:51,184 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 13:33:51,184 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:33:51,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 13:33:51,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2024-11-03 13:33:51,185 INFO  L87              Difference]: Start difference. First operand 129 states and 190 transitions. Second operand  has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30)
[2024-11-03 13:33:55,801 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:33:59,079 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 13:33:59,238 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:33:59,238 INFO  L93              Difference]: Finished difference Result 260 states and 373 transitions.
[2024-11-03 13:33:59,239 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-03 13:33:59,239 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 102
[2024-11-03 13:33:59,239 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:33:59,241 INFO  L225             Difference]: With dead ends: 260
[2024-11-03 13:33:59,241 INFO  L226             Difference]: Without dead ends: 174
[2024-11-03 13:33:59,243 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600
[2024-11-03 13:33:59,243 INFO  L432           NwaCegarLoop]: 76 mSDtfsCounter, 326 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time
[2024-11-03 13:33:59,244 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 320 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time]
[2024-11-03 13:33:59,245 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2024-11-03 13:33:59,272 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 161.
[2024-11-03 13:33:59,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 161 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-03 13:33:59,275 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 234 transitions.
[2024-11-03 13:33:59,275 INFO  L78                 Accepts]: Start accepts. Automaton has 161 states and 234 transitions. Word has length 102
[2024-11-03 13:33:59,276 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:33:59,276 INFO  L471      AbstractCegarLoop]: Abstraction has 161 states and 234 transitions.
[2024-11-03 13:33:59,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30)
[2024-11-03 13:33:59,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 234 transitions.
[2024-11-03 13:33:59,278 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-03 13:33:59,278 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:33:59,278 INFO  L215           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:33:59,287 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0
[2024-11-03 13:33:59,478 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:59,479 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:33:59,480 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:33:59,480 INFO  L85        PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times
[2024-11-03 13:33:59,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:33:59,480 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600426019]
[2024-11-03 13:33:59,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:33:59,480 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:33:59,480 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:33:59,481 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:33:59,482 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 13:33:59,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:33:59,581 INFO  L255         TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-03 13:33:59,585 INFO  L278         TraceCheckSpWp]: Computing forward predicates...