/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-83.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:45:11,949 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:45:12,003 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 04:45:12,009 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:45:12,009 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:45:12,026 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:45:12,027 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:45:12,027 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:45:12,027 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:45:12,028 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:45:12,028 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:45:12,028 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:45:12,028 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:45:12,029 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:45:12,029 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:45:12,029 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:45:12,029 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:45:12,030 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:45:12,030 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:45:12,030 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:45:12,030 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:45:12,030 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:45:12,031 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:45:12,031 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:45:12,031 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:45:12,031 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:45:12,031 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:45:12,032 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:45:12,032 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:45:12,032 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:45:12,032 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:45:12,032 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:45:12,032 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:45:12,033 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:45:12,033 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:45:12,033 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:45:12,033 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:45:12,033 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:45:12,034 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:45:12,034 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:45:12,034 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:45:12,037 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:45:12,037 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:45:12,038 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:45:12,038 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:45:12,215 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:45:12,231 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:45:12,234 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:45:12,235 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:45:12,235 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:45:12,236 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-83.i
[2024-11-03 04:45:13,566 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:45:13,715 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:45:13,715 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-83.i
[2024-11-03 04:45:13,727 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a7cc4d0/13a8f82712fe4f1f8b1d06b2ed46a495/FLAGd8171bcfc
[2024-11-03 04:45:13,739 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a7cc4d0/13a8f82712fe4f1f8b1d06b2ed46a495
[2024-11-03 04:45:13,740 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:45:13,742 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:45:13,742 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:45:13,743 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:45:13,746 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:45:13,747 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:45:13" (1/1) ...
[2024-11-03 04:45:13,748 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af982a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:13, skipping insertion in model container
[2024-11-03 04:45:13,748 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:45:13" (1/1) ...
[2024-11-03 04:45:13,772 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:45:13,903 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-83.i[916,929]
[2024-11-03 04:45:13,969 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:45:13,981 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:45:13,990 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-83.i[916,929]
[2024-11-03 04:45:14,032 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:45:14,047 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:45:14,047 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14 WrapperNode
[2024-11-03 04:45:14,048 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:45:14,048 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:45:14,049 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:45:14,049 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:45:14,054 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,064 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,088 INFO  L138                Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185
[2024-11-03 04:45:14,088 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:45:14,089 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:45:14,089 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:45:14,089 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:45:14,097 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,097 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,100 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,122 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 04:45:14,123 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,123 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,130 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,133 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,135 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,136 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,139 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:45:14,140 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:45:14,140 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:45:14,140 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:45:14,141 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (1/1) ...
[2024-11-03 04:45:14,149 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:45:14,162 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:45:14,180 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 04:45:14,183 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 04:45:14,206 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:45:14,206 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:45:14,207 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:45:14,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:45:14,207 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:45:14,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:45:14,285 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:45:14,287 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:45:21,628 INFO  L?                        ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-03 04:45:21,628 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:45:21,638 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:45:21,639 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:45:21,641 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:45:21 BoogieIcfgContainer
[2024-11-03 04:45:21,642 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:45:21,643 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:45:21,643 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:45:21,647 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:45:21,647 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:45:13" (1/3) ...
[2024-11-03 04:45:21,648 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460b0adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:45:21, skipping insertion in model container
[2024-11-03 04:45:21,648 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:45:14" (2/3) ...
[2024-11-03 04:45:21,648 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460b0adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:45:21, skipping insertion in model container
[2024-11-03 04:45:21,648 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:45:21" (3/3) ...
[2024-11-03 04:45:21,649 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-83.i
[2024-11-03 04:45:21,661 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:45:21,662 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:45:21,729 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:45:21,734 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;@255d1825, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:45:21,734 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:45:21,738 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 83 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-03 04:45:21,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:45:21,753 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:45:21,754 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:45:21,754 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:45:21,759 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:45:21,760 INFO  L85        PathProgramCache]: Analyzing trace with hash 447407510, now seen corresponding path program 1 times
[2024-11-03 04:45:21,766 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:45:21,766 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552565079]
[2024-11-03 04:45:21,767 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:45:21,769 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:45:21,769 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:45:21,772 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:45:21,773 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 04:45:21,943 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:45:21,945 INFO  L255         TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:45:21,956 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:45:22,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked.
[2024-11-03 04:45:22,005 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:45:22,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked.
[2024-11-03 04:45:22,684 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:45:22,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552565079]
[2024-11-03 04:45:22,685 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [552565079] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:45:22,685 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:45:22,685 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:45:22,686 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947668706]
[2024-11-03 04:45:22,687 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:45:22,690 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:45:22,691 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:45:22,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:45:22,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:45:22,710 INFO  L87              Difference]: Start difference. First operand  has 83 states, 51 states have (on average 1.392156862745098) internal successors, (71), 52 states have internal predecessors, (71), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:45:22,731 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:45:22,731 INFO  L93              Difference]: Finished difference Result 159 states and 281 transitions.
[2024-11-03 04:45:22,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:45:22,734 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 185
[2024-11-03 04:45:22,734 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:45:22,739 INFO  L225             Difference]: With dead ends: 159
[2024-11-03 04:45:22,740 INFO  L226             Difference]: Without dead ends: 79
[2024-11-03 04:45:22,742 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:45:22,745 INFO  L432           NwaCegarLoop]: 121 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, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 04:45:22,745 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:45:22,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-11-03 04:45:22,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2024-11-03 04:45:22,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 79 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-03 04:45:22,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions.
[2024-11-03 04:45:22,779 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 185
[2024-11-03 04:45:22,780 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:45:22,780 INFO  L471      AbstractCegarLoop]: Abstraction has 79 states and 121 transitions.
[2024-11-03 04:45:22,780 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:45:22,780 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions.
[2024-11-03 04:45:22,783 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:45:22,783 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:45:22,783 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:45:22,786 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 04:45:22,986 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:45:22,986 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:45:22,987 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:45:22,987 INFO  L85        PathProgramCache]: Analyzing trace with hash 2119609428, now seen corresponding path program 1 times
[2024-11-03 04:45:22,987 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:45:22,987 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966039798]
[2024-11-03 04:45:22,987 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:45:22,988 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:45:22,988 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:45:22,990 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:45:22,992 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 04:45:23,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:45:23,127 INFO  L255         TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:45:23,132 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:45:23,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-03 04:45:23,238 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:45:23,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-03 04:45:23,966 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:45:23,966 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966039798]
[2024-11-03 04:45:23,966 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [966039798] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:45:23,966 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:45:23,967 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:45:23,967 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91086549]
[2024-11-03 04:45:23,967 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:45:23,968 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:45:23,968 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:45:23,969 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:45:23,969 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:45:23,969 INFO  L87              Difference]: Start difference. First operand 79 states and 121 transitions. Second operand  has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29)
[2024-11-03 04:45:28,975 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:45:32,980 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:45:32,989 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:45:32,990 INFO  L93              Difference]: Finished difference Result 229 states and 353 transitions.
[2024-11-03 04:45:33,036 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:45:33,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 185
[2024-11-03 04:45:33,038 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:45:33,044 INFO  L225             Difference]: With dead ends: 229
[2024-11-03 04:45:33,045 INFO  L226             Difference]: Without dead ends: 153
[2024-11-03 04:45:33,046 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:45:33,047 INFO  L432           NwaCegarLoop]: 118 mSDtfsCounter, 106 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time
[2024-11-03 04:45:33,047 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 225 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time]
[2024-11-03 04:45:33,048 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2024-11-03 04:45:33,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 91.
[2024-11-03 04:45:33,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-03 04:45:33,069 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 139 transitions.
[2024-11-03 04:45:33,070 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 139 transitions. Word has length 185
[2024-11-03 04:45:33,071 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:45:33,071 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 139 transitions.
[2024-11-03 04:45:33,072 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29)
[2024-11-03 04:45:33,072 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions.
[2024-11-03 04:45:33,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:45:33,077 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:45:33,077 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:45:33,080 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 04:45:33,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:45:33,278 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:45:33,279 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:45:33,279 INFO  L85        PathProgramCache]: Analyzing trace with hash -1917192430, now seen corresponding path program 1 times
[2024-11-03 04:45:33,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:45:33,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72652102]
[2024-11-03 04:45:33,279 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:45:33,279 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:45:33,279 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:45:33,281 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:45:33,282 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 04:45:33,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:45:33,406 INFO  L255         TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 90 conjuncts are in the unsatisfiable core
[2024-11-03 04:45:33,426 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:45:38,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-03 04:45:38,398 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:45:42,770 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-03 04:45:42,771 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:45:42,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72652102]
[2024-11-03 04:45:42,771 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [72652102] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:45:42,771 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:45:42,773 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9
[2024-11-03 04:45:42,773 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481951072]
[2024-11-03 04:45:42,774 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:45:42,774 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 04:45:42,774 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:45:42,775 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 04:45:42,775 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-03 04:45:42,775 INFO  L87              Difference]: Start difference. First operand 91 states and 139 transitions. Second operand  has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58)
[2024-11-03 04:45:48,444 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:45:54,582 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:45:58,584 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:02,590 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:05,535 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:13,738 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:17,741 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:21,750 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:25,755 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:29,759 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:33,764 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:46:33,821 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:46:33,821 INFO  L93              Difference]: Finished difference Result 417 states and 636 transitions.
[2024-11-03 04:46:33,822 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-03 04:46:33,822 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 185
[2024-11-03 04:46:33,823 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:46:33,830 INFO  L225             Difference]: With dead ends: 417
[2024-11-03 04:46:33,830 INFO  L226             Difference]: Without dead ends: 329
[2024-11-03 04:46:33,831 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 359 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272
[2024-11-03 04:46:33,832 INFO  L432           NwaCegarLoop]: 176 mSDtfsCounter, 584 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 130 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.3s IncrementalHoareTripleChecker+Time
[2024-11-03 04:46:33,832 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 577 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 248 Invalid, 9 Unknown, 0 Unchecked, 50.3s Time]
[2024-11-03 04:46:33,835 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 329 states.
[2024-11-03 04:46:33,854 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 144.
[2024-11-03 04:46:33,855 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 144 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 83 states have internal predecessors, (102), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-03 04:46:33,857 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions.
[2024-11-03 04:46:33,858 INFO  L78                 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 185
[2024-11-03 04:46:33,858 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:46:33,859 INFO  L471      AbstractCegarLoop]: Abstraction has 144 states and 218 transitions.
[2024-11-03 04:46:33,859 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58)
[2024-11-03 04:46:33,859 INFO  L276                IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions.
[2024-11-03 04:46:33,862 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:46:33,863 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:46:33,863 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:46:33,866 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 04:46:34,063 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 04:46:34,064 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:46:34,064 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:46:34,065 INFO  L85        PathProgramCache]: Analyzing trace with hash 125464722, now seen corresponding path program 1 times
[2024-11-03 04:46:34,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:46:34,065 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292650002]
[2024-11-03 04:46:34,065 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:46:34,065 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:46:34,065 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:46:34,067 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:46:34,068 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 04:46:34,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:46:34,414 INFO  L255         TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 109 conjuncts are in the unsatisfiable core
[2024-11-03 04:46:34,425 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:46:53,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 819 proven. 225 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked.
[2024-11-03 04:46:53,005 INFO  L311         TraceCheckSpWp]: Computing backward predicates...