/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-8.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:01:50,209 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:01:50,288 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 05:01:50,293 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:01:50,294 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:01:50,320 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:01:50,321 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:01:50,321 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:01:50,322 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:01:50,322 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:01:50,324 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:01:50,324 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:01:50,325 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:01:50,328 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:01:50,328 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:01:50,329 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:01:50,329 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:01:50,329 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:01:50,329 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:01:50,330 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:01:50,330 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:01:50,330 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:01:50,331 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:01:50,331 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:01:50,331 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:01:50,331 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:01:50,331 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:01:50,332 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:01:50,332 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:01:50,332 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:01:50,333 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:01:50,333 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:01:50,333 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:01:50,333 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:01:50,333 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:01:50,334 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:01:50,334 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:01:50,335 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:01:50,335 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:01:50,335 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:01:50,335 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:01:50,336 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:01:50,336 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:01:50,336 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:01:50,336 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:50,566 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:01:50,591 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:01:50,594 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:01:50,596 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:01:50,596 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:01:50,597 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-8.i
[2024-11-03 05:01:52,017 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:01:52,253 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:01:52,254 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-8.i
[2024-11-03 05:01:52,263 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3b88bef/44cc5926be6e4c448e9585bdfe5a9ed3/FLAG4e015ebeb
[2024-11-03 05:01:52,586 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3b88bef/44cc5926be6e4c448e9585bdfe5a9ed3
[2024-11-03 05:01:52,589 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:01:52,590 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:01:52,591 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:01:52,591 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:01:52,596 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:01:52,597 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:52" (1/1) ...
[2024-11-03 05:01:52,598 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300cc483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:52, skipping insertion in model container
[2024-11-03 05:01:52,598 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:01:52" (1/1) ...
[2024-11-03 05:01:52,638 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:01:52,797 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-8.i[915,928]
[2024-11-03 05:01:52,920 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:01:52,941 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:01:52,954 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-8.i[915,928]
[2024-11-03 05:01:53,029 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:01:53,046 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:01:53,047 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53 WrapperNode
[2024-11-03 05:01:53,047 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:01:53,048 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:01:53,048 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:01:53,048 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:01:53,053 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,072 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,109 INFO  L138                Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336
[2024-11-03 05:01:53,110 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:01:53,110 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:01:53,110 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:01:53,111 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:01:53,119 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,120 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,128 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,166 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-03 05:01:53,166 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,166 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,201 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,209 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,221 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,228 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,240 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:01:53,241 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:01:53,241 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:01:53,241 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:01:53,242 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (1/1) ...
[2024-11-03 05:01:53,247 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:01:53,260 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:01:53,279 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 05:01:53,282 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 05:01:53,312 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:01:53,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:01:53,313 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:01:53,313 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:01:53,313 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:01:53,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:01:53,441 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:01:53,443 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:01:57,496 INFO  L?                        ?]: Removed 44 outVars from TransFormulas that were not future-live.
[2024-11-03 05:01:57,496 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:01:57,518 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:01:57,518 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:01:57,518 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:57 BoogieIcfgContainer
[2024-11-03 05:01:57,518 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:01:57,523 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:01:57,523 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:01:57,526 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:01:57,526 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:01:52" (1/3) ...
[2024-11-03 05:01:57,527 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a3b66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:57, skipping insertion in model container
[2024-11-03 05:01:57,527 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:01:53" (2/3) ...
[2024-11-03 05:01:57,527 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a3b66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:01:57, skipping insertion in model container
[2024-11-03 05:01:57,527 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:01:57" (3/3) ...
[2024-11-03 05:01:57,528 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-8.i
[2024-11-03 05:01:57,544 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:01:57,544 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:01:57,618 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:01:57,624 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;@732160f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:01:57,625 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:01:57,631 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 154 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 102 states have internal predecessors, (153), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-03 05:01:57,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2024-11-03 05:01:57,657 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:57,658 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:01:57,659 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:57,663 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:57,664 INFO  L85        PathProgramCache]: Analyzing trace with hash 1272070780, now seen corresponding path program 1 times
[2024-11-03 05:01:57,671 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:57,672 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125664470]
[2024-11-03 05:01:57,672 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:57,674 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:57,675 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:57,678 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:01:57,680 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 05:01:57,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:57,987 INFO  L255         TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:58,005 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:01:58,061 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked.
[2024-11-03 05:01:58,061 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:01:59,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked.
[2024-11-03 05:01:59,073 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:01:59,073 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125664470]
[2024-11-03 05:01:59,073 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2125664470] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:01:59,074 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:01:59,074 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:01:59,076 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916863376]
[2024-11-03 05:01:59,077 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:01:59,081 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:01:59,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:01:59,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:01:59,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:01:59,102 INFO  L87              Difference]: Start difference. First operand  has 154 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 102 states have internal predecessors, (153), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)
[2024-11-03 05:01:59,145 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:01:59,145 INFO  L93              Difference]: Finished difference Result 301 states and 550 transitions.
[2024-11-03 05:01:59,146 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:01:59,148 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 322
[2024-11-03 05:01:59,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:01:59,156 INFO  L225             Difference]: With dead ends: 301
[2024-11-03 05:01:59,156 INFO  L226             Difference]: Without dead ends: 150
[2024-11-03 05:01:59,161 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:01:59,165 INFO  L432           NwaCegarLoop]: 246 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, 246 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 05:01:59,166 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:01:59,184 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2024-11-03 05:01:59,233 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150.
[2024-11-03 05:01:59,239 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 150 states, 98 states have (on average 1.489795918367347) internal successors, (146), 98 states have internal predecessors, (146), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50)
[2024-11-03 05:01:59,242 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 246 transitions.
[2024-11-03 05:01:59,247 INFO  L78                 Accepts]: Start accepts. Automaton has 150 states and 246 transitions. Word has length 322
[2024-11-03 05:01:59,248 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:01:59,248 INFO  L471      AbstractCegarLoop]: Abstraction has 150 states and 246 transitions.
[2024-11-03 05:01:59,248 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50)
[2024-11-03 05:01:59,249 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions.
[2024-11-03 05:01:59,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2024-11-03 05:01:59,259 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:01:59,259 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:01:59,263 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0
[2024-11-03 05:01:59,462 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:59,463 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:01:59,463 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:01:59,464 INFO  L85        PathProgramCache]: Analyzing trace with hash 963929796, now seen corresponding path program 1 times
[2024-11-03 05:01:59,464 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:01:59,464 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7907916]
[2024-11-03 05:01:59,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:01:59,465 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:01:59,465 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:01:59,468 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:01:59,470 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 05:01:59,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:01:59,726 INFO  L255         TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:01:59,737 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:02:02,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:02,621 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:02:04,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:04,166 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:02:04,167 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7907916]
[2024-11-03 05:02:04,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [7907916] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:02:04,167 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:02:04,167 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3
[2024-11-03 05:02:04,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413176489]
[2024-11-03 05:02:04,168 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:02:04,170 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:02:04,170 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:02:04,171 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:02:04,171 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:02:04,172 INFO  L87              Difference]: Start difference. First operand 150 states and 246 transitions. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 1 states have call predecessors, (100), 1 states have call successors, (100)
[2024-11-03 05:02:06,741 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:10,903 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:10,914 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:10,914 INFO  L93              Difference]: Finished difference Result 432 states and 708 transitions.
[2024-11-03 05:02:10,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:02:10,963 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 1 states have call predecessors, (100), 1 states have call successors, (100) Word has length 322
[2024-11-03 05:02:10,965 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:10,969 INFO  L225             Difference]: With dead ends: 432
[2024-11-03 05:02:10,969 INFO  L226             Difference]: Without dead ends: 285
[2024-11-03 05:02:10,971 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 641 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 05:02:10,972 INFO  L432           NwaCegarLoop]: 228 mSDtfsCounter, 73 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time
[2024-11-03 05:02:10,973 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 432 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time]
[2024-11-03 05:02:10,974 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2024-11-03 05:02:11,015 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283.
[2024-11-03 05:02:11,018 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 283 states, 180 states have (on average 1.3888888888888888) internal successors, (250), 180 states have internal predecessors, (250), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100)
[2024-11-03 05:02:11,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 450 transitions.
[2024-11-03 05:02:11,024 INFO  L78                 Accepts]: Start accepts. Automaton has 283 states and 450 transitions. Word has length 322
[2024-11-03 05:02:11,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:11,026 INFO  L471      AbstractCegarLoop]: Abstraction has 283 states and 450 transitions.
[2024-11-03 05:02:11,028 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 1 states have call predecessors, (100), 1 states have call successors, (100)
[2024-11-03 05:02:11,028 INFO  L276                IsEmpty]: Start isEmpty. Operand 283 states and 450 transitions.
[2024-11-03 05:02:11,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2024-11-03 05:02:11,037 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:11,037 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:02:11,041 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0
[2024-11-03 05:02:11,237 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 05:02:11,238 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:11,239 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:11,239 INFO  L85        PathProgramCache]: Analyzing trace with hash -215528324, now seen corresponding path program 1 times
[2024-11-03 05:02:11,239 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:11,239 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732362383]
[2024-11-03 05:02:11,239 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:11,240 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:11,240 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:11,243 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 05:02:11,244 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 05:02:11,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:11,883 INFO  L255         TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 170 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:11,931 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:02:26,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:26,621 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:02:32,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked.
[2024-11-03 05:02:32,436 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:02:32,436 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732362383]
[2024-11-03 05:02:32,436 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1732362383] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:02:32,436 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:02:32,436 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 8
[2024-11-03 05:02:32,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911250195]
[2024-11-03 05:02:32,437 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:02:32,439 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 05:02:32,439 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:02:32,440 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 05:02:32,440 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2024-11-03 05:02:32,441 INFO  L87              Difference]: Start difference. First operand 283 states and 450 transitions. Second operand  has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 4 states have call predecessors, (100), 3 states have call successors, (100)
[2024-11-03 05:02:40,137 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:43,507 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:02:47,814 WARN  L539   Checker$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 05:02:52,932 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:02:52,932 INFO  L93              Difference]: Finished difference Result 1287 states and 2019 transitions.
[2024-11-03 05:02:52,933 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 05:02:52,933 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 4 states have call predecessors, (100), 3 states have call successors, (100) Word has length 322
[2024-11-03 05:02:52,934 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:02:52,944 INFO  L225             Difference]: With dead ends: 1287
[2024-11-03 05:02:52,945 INFO  L226             Difference]: Without dead ends: 1007
[2024-11-03 05:02:52,947 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 629 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56
[2024-11-03 05:02:52,949 INFO  L432           NwaCegarLoop]: 196 mSDtfsCounter, 847 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time
[2024-11-03 05:02:52,949 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 1452 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1054 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time]
[2024-11-03 05:02:52,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1007 states.
[2024-11-03 05:02:53,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 602.
[2024-11-03 05:02:53,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 602 states, 372 states have (on average 1.3521505376344085) internal successors, (503), 374 states have internal predecessors, (503), 224 states have call successors, (224), 5 states have call predecessors, (224), 5 states have return successors, (224), 222 states have call predecessors, (224), 224 states have call successors, (224)
[2024-11-03 05:02:53,073 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 951 transitions.
[2024-11-03 05:02:53,075 INFO  L78                 Accepts]: Start accepts. Automaton has 602 states and 951 transitions. Word has length 322
[2024-11-03 05:02:53,077 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:02:53,077 INFO  L471      AbstractCegarLoop]: Abstraction has 602 states and 951 transitions.
[2024-11-03 05:02:53,078 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 3 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 4 states have call predecessors, (100), 3 states have call successors, (100)
[2024-11-03 05:02:53,078 INFO  L276                IsEmpty]: Start isEmpty. Operand 602 states and 951 transitions.
[2024-11-03 05:02:53,082 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2024-11-03 05:02:53,082 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:02:53,082 INFO  L215           NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:02:53,099 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 05:02:53,288 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 05:02:53,289 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:02:53,289 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:02:53,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 207173502, now seen corresponding path program 1 times
[2024-11-03 05:02:53,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:02:53,290 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076318822]
[2024-11-03 05:02:53,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:02:53,290 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:02:53,290 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:02:53,292 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 05:02:53,293 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 05:02:53,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:02:53,865 INFO  L255         TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 190 conjuncts are in the unsatisfiable core
[2024-11-03 05:02:53,894 INFO  L278         TraceCheckSpWp]: Computing forward predicates...