/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-80.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-02 21:41:43,451 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-02 21:41:43,514 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-02 21:41:43,522 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 21:41:43,523 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 21:41:43,552 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 21:41:43,553 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 21:41:43,553 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 21:41:43,554 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-02 21:41:43,554 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-02 21:41:43,554 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 21:41:43,555 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 21:41:43,555 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-02 21:41:43,556 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-02 21:41:43,556 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-02 21:41:43,556 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 21:41:43,557 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-02 21:41:43,557 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-02 21:41:43,560 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-02 21:41:43,560 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-02 21:41:43,563 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 21:41:43,563 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 21:41:43,564 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 21:41:43,564 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-02 21:41:43,564 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-02 21:41:43,564 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-02 21:41:43,565 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-02 21:41:43,565 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-02 21:41:43,565 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-02 21:41:43,565 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-02 21:41:43,565 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 21:41:43,566 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-02 21:41:43,566 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 21:41:43,566 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-02 21:41:43,566 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-02 21:41:43,567 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 21:41:43,567 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 21:41:43,569 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 21:41:43,570 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-02 21:41:43,570 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-02 21:41:43,570 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 21:41:43,570 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-02 21:41:43,570 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-02 21:41:43,571 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 21:41:43,571 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:41:43,787 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 21:41:43,810 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 21:41:43,813 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 21:41:43,814 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-02 21:41:43,815 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-02 21:41:43,816 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-80.i
[2024-11-02 21:41:45,223 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-02 21:41:45,425 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-02 21:41:45,425 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-80.i
[2024-11-02 21:41:45,439 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f093ba8eb/52e0977f0a024066aeba0a901b6430fa/FLAG221fa1cd5
[2024-11-02 21:41:45,453 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f093ba8eb/52e0977f0a024066aeba0a901b6430fa
[2024-11-02 21:41:45,456 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 21:41:45,458 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-02 21:41:45,459 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 21:41:45,459 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 21:41:45,466 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 21:41:45,467 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,468 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a877ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45, skipping insertion in model container
[2024-11-02 21:41:45,468 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,503 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-02 21:41:45,666 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_amount100_file-80.i[916,929]
[2024-11-02 21:41:45,729 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-02 21:41:45,751 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-02 21:41:45,764 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_amount100_file-80.i[916,929]
[2024-11-02 21:41:45,825 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-02 21:41:45,855 INFO  L204         MainTranslator]: Completed translation
[2024-11-02 21:41:45,855 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45 WrapperNode
[2024-11-02 21:41:45,856 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 21:41:45,857 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 21:41:45,857 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 21:41:45,857 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 21:41:45,866 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,879 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,909 INFO  L138                Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186
[2024-11-02 21:41:45,910 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 21:41:45,910 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 21:41:45,911 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 21:41:45,911 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 21:41:45,920 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,921 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,925 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,947 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].
[2024-11-02 21:41:45,947 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,948 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,959 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,962 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,985 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,988 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:45,994 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 21:41:45,995 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 21:41:45,995 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 21:41:45,995 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-02 21:41:45,996 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (1/1) ...
[2024-11-02 21:41:46,005 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-02 21:41:46,019 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:41:46,036 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)
[2024-11-02 21:41:46,043 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
[2024-11-02 21:41:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 21:41:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-02 21:41:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-02 21:41:46,068 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-02 21:41:46,068 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 21:41:46,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 21:41:46,172 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-02 21:41:46,174 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 21:42:09,722 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-02 21:42:09,722 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-02 21:42:09,738 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 21:42:09,738 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-02 21:42:09,739 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:42:09 BoogieIcfgContainer
[2024-11-02 21:42:09,739 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 21:42:09,741 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 21:42:09,742 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 21:42:09,745 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-02 21:42:09,745 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:41:45" (1/3) ...
[2024-11-02 21:42:09,746 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e197533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:42:09, skipping insertion in model container
[2024-11-02 21:42:09,746 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:41:45" (2/3) ...
[2024-11-02 21:42:09,746 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e197533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:42:09, skipping insertion in model container
[2024-11-02 21:42:09,746 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:42:09" (3/3) ...
[2024-11-02 21:42:09,747 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-80.i
[2024-11-02 21:42:09,767 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 21:42:09,768 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-02 21:42:09,835 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 21:42:09,842 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;@2066847b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 21:42:09,842 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-02 21:42:09,848 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 81 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-02 21:42:09,862 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2024-11-02 21:42:09,863 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:42:09,863 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:42:09,864 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:42:09,872 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:42:09,872 INFO  L85        PathProgramCache]: Analyzing trace with hash 120401077, now seen corresponding path program 1 times
[2024-11-02 21:42:09,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:42:09,882 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691617697]
[2024-11-02 21:42:09,883 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:42:09,885 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:09,888 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:42:09,890 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:42:09,891 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-02 21:42:10,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:42:10,671 INFO  L255         TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-02 21:42:10,682 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:42:10,733 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked.
[2024-11-02 21:42:10,734 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:42:12,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked.
[2024-11-02 21:42:12,151 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:42:12,152 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691617697]
[2024-11-02 21:42:12,152 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [691617697] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-02 21:42:12,152 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-02 21:42:12,152 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-02 21:42:12,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200756295]
[2024-11-02 21:42:12,155 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 21:42:12,159 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-02 21:42:12,159 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:42:12,177 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-02 21:42:12,178 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 21:42:12,180 INFO  L87              Difference]: Start difference. First operand  has 81 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-02 21:42:12,205 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:42:12,206 INFO  L93              Difference]: Finished difference Result 155 states and 269 transitions.
[2024-11-02 21:42:12,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-02 21:42:12,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156
[2024-11-02 21:42:12,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:42:12,214 INFO  L225             Difference]: With dead ends: 155
[2024-11-02 21:42:12,215 INFO  L226             Difference]: Without dead ends: 77
[2024-11-02 21:42:12,218 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 21:42:12,222 INFO  L432           NwaCegarLoop]: 119 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, 119 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
[2024-11-02 21:42:12,223 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 21:42:12,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-11-02 21:42:12,257 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2024-11-02 21:42:12,259 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 77 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-02 21:42:12,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 119 transitions.
[2024-11-02 21:42:12,264 INFO  L78                 Accepts]: Start accepts. Automaton has 77 states and 119 transitions. Word has length 156
[2024-11-02 21:42:12,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:42:12,264 INFO  L471      AbstractCegarLoop]: Abstraction has 77 states and 119 transitions.
[2024-11-02 21:42:12,265 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-02 21:42:12,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions.
[2024-11-02 21:42:12,268 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2024-11-02 21:42:12,268 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:42:12,268 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:42:12,340 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-02 21:42:12,470 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:12,470 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:42:12,471 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:42:12,471 INFO  L85        PathProgramCache]: Analyzing trace with hash 71316607, now seen corresponding path program 1 times
[2024-11-02 21:42:12,471 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:42:12,472 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201261682]
[2024-11-02 21:42:12,472 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:42:12,472 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:12,472 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:42:12,475 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:42:12,477 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-02 21:42:13,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:42:13,124 INFO  L255         TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-02 21:42:13,135 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:42:13,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-02 21:42:13,528 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:42:15,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2024-11-02 21:42:15,127 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:42:15,127 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201261682]
[2024-11-02 21:42:15,127 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1201261682] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-02 21:42:15,128 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-02 21:42:15,128 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-02 21:42:15,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947577607]
[2024-11-02 21:42:15,128 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-02 21:42:15,132 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-02 21:42:15,132 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:42:15,133 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-02 21:42:15,133 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 21:42:15,133 INFO  L87              Difference]: Start difference. First operand 77 states and 119 transitions. Second operand  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-02 21:42:19,695 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:42:23,709 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:42:23,713 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:42:23,714 INFO  L93              Difference]: Finished difference Result 186 states and 284 transitions.
[2024-11-02 21:42:23,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-02 21:42:23,823 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156
[2024-11-02 21:42:23,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:42:23,829 INFO  L225             Difference]: With dead ends: 186
[2024-11-02 21:42:23,829 INFO  L226             Difference]: Without dead ends: 112
[2024-11-02 21:42:23,830 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 21:42:23,831 INFO  L432           NwaCegarLoop]: 116 mSDtfsCounter, 44 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time
[2024-11-02 21:42:23,831 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 217 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time]
[2024-11-02 21:42:23,832 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2024-11-02 21:42:23,852 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109.
[2024-11-02 21:42:23,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 82 states have internal predecessors, (114), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-02 21:42:23,857 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions.
[2024-11-02 21:42:23,857 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 156
[2024-11-02 21:42:23,858 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:42:23,858 INFO  L471      AbstractCegarLoop]: Abstraction has 109 states and 164 transitions.
[2024-11-02 21:42:23,859 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2024-11-02 21:42:23,859 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions.
[2024-11-02 21:42:23,863 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2024-11-02 21:42:23,863 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:42:23,864 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:42:23,941 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-02 21:42:24,064 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:24,064 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:42:24,065 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:42:24,065 INFO  L85        PathProgramCache]: Analyzing trace with hash 479317823, now seen corresponding path program 1 times
[2024-11-02 21:42:24,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:42:24,066 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740822168]
[2024-11-02 21:42:24,066 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:42:24,066 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:24,066 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:42:24,067 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:42:24,068 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-02 21:42:24,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:42:24,692 INFO  L255         TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-02 21:42:24,697 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:42:28,704 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked.
[2024-11-02 21:42:28,704 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:42:32,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked.
[2024-11-02 21:42:32,325 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:42:32,326 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740822168]
[2024-11-02 21:42:32,326 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1740822168] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-02 21:42:32,326 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-02 21:42:32,326 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-02 21:42:32,326 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607853587]
[2024-11-02 21:42:32,326 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-02 21:42:32,331 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-02 21:42:32,331 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:42:32,332 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-02 21:42:32,332 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-02 21:42:32,332 INFO  L87              Difference]: Start difference. First operand 109 states and 164 transitions. Second operand  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42)
[2024-11-02 21:42:39,507 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:42:43,510 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:42:47,515 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:42:48,017 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:42:48,018 INFO  L93              Difference]: Finished difference Result 233 states and 344 transitions.
[2024-11-02 21:42:48,018 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-02 21:42:48,019 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 157
[2024-11-02 21:42:48,019 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:42:48,022 INFO  L225             Difference]: With dead ends: 233
[2024-11-02 21:42:48,022 INFO  L226             Difference]: Without dead ends: 127
[2024-11-02 21:42:48,023 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-02 21:42:48,024 INFO  L432           NwaCegarLoop]: 97 mSDtfsCounter, 45 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time
[2024-11-02 21:42:48,024 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 237 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time]
[2024-11-02 21:42:48,025 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2024-11-02 21:42:48,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124.
[2024-11-02 21:42:48,036 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 124 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 92 states have internal predecessors, (120), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-02 21:42:48,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions.
[2024-11-02 21:42:48,037 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 157
[2024-11-02 21:42:48,038 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:42:48,038 INFO  L471      AbstractCegarLoop]: Abstraction has 124 states and 178 transitions.
[2024-11-02 21:42:48,038 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42)
[2024-11-02 21:42:48,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions.
[2024-11-02 21:42:48,040 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 158
[2024-11-02 21:42:48,040 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:42:48,042 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:42:48,113 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-02 21:42:48,242 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:48,243 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:42:48,243 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:42:48,243 INFO  L85        PathProgramCache]: Analyzing trace with hash -526955069, now seen corresponding path program 1 times
[2024-11-02 21:42:48,243 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:42:48,244 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735854915]
[2024-11-02 21:42:48,244 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:42:48,244 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:42:48,244 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:42:48,246 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:42:48,247 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-02 21:42:48,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:42:48,842 INFO  L255         TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-02 21:42:48,848 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:42:52,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 186 proven. 60 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked.
[2024-11-02 21:42:52,669 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:42:55,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked.
[2024-11-02 21:42:55,875 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:42:55,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735854915]
[2024-11-02 21:42:55,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1735854915] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-02 21:42:55,875 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-02 21:42:55,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-02 21:42:55,875 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965800930]
[2024-11-02 21:42:55,876 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-02 21:42:55,876 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-02 21:42:55,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:42:55,877 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-02 21:42:55,877 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-02 21:42:55,878 INFO  L87              Difference]: Start difference. First operand 124 states and 178 transitions. Second operand  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44)
[2024-11-02 21:43:02,759 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:43:06,763 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:43:10,768 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:43:10,772 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:43:10,772 INFO  L93              Difference]: Finished difference Result 214 states and 301 transitions.
[2024-11-02 21:43:10,890 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-02 21:43:10,890 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 157
[2024-11-02 21:43:10,891 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:43:10,892 INFO  L225             Difference]: With dead ends: 214
[2024-11-02 21:43:10,893 INFO  L226             Difference]: Without dead ends: 105
[2024-11-02 21:43:10,893 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-02 21:43:10,894 INFO  L432           NwaCegarLoop]: 82 mSDtfsCounter, 97 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time
[2024-11-02 21:43:10,895 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 198 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 131 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time]
[2024-11-02 21:43:10,895 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-11-02 21:43:10,908 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103.
[2024-11-02 21:43:10,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 70 states have internal predecessors, (84), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-02 21:43:10,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 138 transitions.
[2024-11-02 21:43:10,910 INFO  L78                 Accepts]: Start accepts. Automaton has 103 states and 138 transitions. Word has length 157
[2024-11-02 21:43:10,910 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:43:10,910 INFO  L471      AbstractCegarLoop]: Abstraction has 103 states and 138 transitions.
[2024-11-02 21:43:10,910 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44)
[2024-11-02 21:43:10,911 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions.
[2024-11-02 21:43:10,915 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 159
[2024-11-02 21:43:10,915 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:43:10,915 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:43:11,004 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-02 21:43:11,116 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:43:11,116 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:43:11,117 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:43:11,117 INFO  L85        PathProgramCache]: Analyzing trace with hash 2131589290, now seen corresponding path program 1 times
[2024-11-02 21:43:11,117 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:43:11,117 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207537236]
[2024-11-02 21:43:11,117 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:43:11,117 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:43:11,118 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:43:11,120 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:43:11,121 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-02 21:43:11,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:43:11,721 INFO  L255         TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-02 21:43:11,725 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:43:19,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked.
[2024-11-02 21:43:19,846 INFO  L311         TraceCheckSpWp]: Computing backward predicates...