/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-36.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:39:11,764 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:39:11,845 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 04:39:11,852 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:39:11,853 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:39:11,878 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:39:11,879 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:39:11,879 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:39:11,880 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:39:11,880 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:39:11,880 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:39:11,881 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:39:11,881 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:39:11,881 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:39:11,882 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:39:11,882 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:39:11,882 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:39:11,883 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:39:11,883 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:39:11,883 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:39:11,884 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:39:11,887 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:39:11,888 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:39:11,888 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:39:11,888 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:39:11,888 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:39:11,889 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:39:11,889 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:39:11,889 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:39:11,890 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:39:11,890 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:39:11,890 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:39:11,891 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:39:11,891 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:39:11,893 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:39:11,894 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:39:11,894 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:39:11,894 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:39:11,894 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:39:11,895 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:39:11,895 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:39:11,897 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:39:11,897 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:39:11,897 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:39:11,897 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:12,133 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:39:12,154 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:39:12,157 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:39:12,158 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:39:12,159 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:39:12,160 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-36.i
[2024-11-03 04:39:13,580 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:39:13,783 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:39:13,784 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-36.i
[2024-11-03 04:39:13,796 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620b9b728/63e75d5f9b63457999d25ddf4f9cb25e/FLAG114b734a3
[2024-11-03 04:39:14,152 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620b9b728/63e75d5f9b63457999d25ddf4f9cb25e
[2024-11-03 04:39:14,153 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:39:14,155 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:39:14,157 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:39:14,157 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:39:14,161 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:39:14,162 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,163 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd6ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14, skipping insertion in model container
[2024-11-03 04:39:14,163 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,197 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:39:14,351 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-36.i[916,929]
[2024-11-03 04:39:14,433 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:39:14,445 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:39:14,455 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-36.i[916,929]
[2024-11-03 04:39:14,508 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:39:14,535 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:39:14,535 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14 WrapperNode
[2024-11-03 04:39:14,535 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:39:14,536 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:39:14,537 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:39:14,537 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:39:14,542 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,554 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,584 INFO  L138                Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201
[2024-11-03 04:39:14,585 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:39:14,585 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:39:14,585 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:39:14,586 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:39:14,595 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,596 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,600 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,613 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 04:39:14,613 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,613 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,623 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,626 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,629 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,630 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,634 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:39:14,635 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:39:14,635 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:39:14,636 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:39:14,636 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (1/1) ...
[2024-11-03 04:39:14,652 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:39:14,665 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:39:14,689 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 04:39:14,692 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 04:39:14,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:39:14,720 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:39:14,720 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:39:14,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:39:14,720 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:39:14,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:39:14,842 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:39:14,844 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:39:19,416 INFO  L?                        ?]: Removed 22 outVars from TransFormulas that were not future-live.
[2024-11-03 04:39:19,416 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:39:19,432 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:39:19,432 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:39:19,433 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:19 BoogieIcfgContainer
[2024-11-03 04:39:19,433 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:39:19,435 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:39:19,436 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:39:19,439 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:39:19,440 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:39:14" (1/3) ...
[2024-11-03 04:39:19,440 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e5714c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:19, skipping insertion in model container
[2024-11-03 04:39:19,440 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:14" (2/3) ...
[2024-11-03 04:39:19,441 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e5714c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:19, skipping insertion in model container
[2024-11-03 04:39:19,441 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:19" (3/3) ...
[2024-11-03 04:39:19,442 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-36.i
[2024-11-03 04:39:19,461 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:39:19,462 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:39:19,520 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:39:19,526 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;@3a2f7cff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:39:19,526 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:39:19,531 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 91 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 04:39:19,549 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2024-11-03 04:39:19,549 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:39:19,550 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:19,552 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:39:19,558 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:39:19,558 INFO  L85        PathProgramCache]: Analyzing trace with hash 1568810157, now seen corresponding path program 1 times
[2024-11-03 04:39:19,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:39:19,567 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335321985]
[2024-11-03 04:39:19,567 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:39:19,572 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:19,572 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:39:19,575 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 04:39:19,578 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 04:39:19,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:39:19,795 INFO  L255         TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:39:19,812 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:39:19,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 04:39:19,872 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:39:20,474 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked.
[2024-11-03 04:39:20,475 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:39:20,476 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335321985]
[2024-11-03 04:39:20,476 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [335321985] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:39:20,476 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:39:20,476 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:39:20,478 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966107262]
[2024-11-03 04:39:20,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:39:20,484 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:39:20,484 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:39:20,507 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:39:20,508 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:39:20,510 INFO  L87              Difference]: Start difference. First operand  has 91 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-03 04:39:20,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:39:20,537 INFO  L93              Difference]: Finished difference Result 175 states and 306 transitions.
[2024-11-03 04:39:20,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:39:20,539 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 183
[2024-11-03 04:39:20,539 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:39:20,546 INFO  L225             Difference]: With dead ends: 175
[2024-11-03 04:39:20,546 INFO  L226             Difference]: Without dead ends: 87
[2024-11-03 04:39:20,550 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 364 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 04:39:20,553 INFO  L432           NwaCegarLoop]: 135 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, 135 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 04:39:20,554 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:39:20,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-11-03 04:39:20,599 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-11-03 04:39:20,601 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 04:39:20,604 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 135 transitions.
[2024-11-03 04:39:20,606 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 135 transitions. Word has length 183
[2024-11-03 04:39:20,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:39:20,607 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 135 transitions.
[2024-11-03 04:39:20,607 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28)
[2024-11-03 04:39:20,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions.
[2024-11-03 04:39:20,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2024-11-03 04:39:20,612 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:39:20,612 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:20,616 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 04:39:20,814 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 04:39:20,815 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:39:20,816 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:39:20,816 INFO  L85        PathProgramCache]: Analyzing trace with hash 1525949237, now seen corresponding path program 1 times
[2024-11-03 04:39:20,816 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:39:20,816 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919317028]
[2024-11-03 04:39:20,816 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:39:20,817 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:20,817 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:39:20,819 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 04:39:20,820 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 04:39:20,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:39:20,984 INFO  L255         TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 112 conjuncts are in the unsatisfiable core
[2024-11-03 04:39:21,009 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:39:29,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 04:39:29,871 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:39:30,935 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 04:39:30,935 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:39:30,935 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1919317028]
[2024-11-03 04:39:30,935 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1919317028] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:39:30,936 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:39:30,936 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 3] imperfect sequences [] total 12
[2024-11-03 04:39:30,936 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54286928]
[2024-11-03 04:39:30,936 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:39:30,938 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-03 04:39:30,938 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:39:30,939 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-03 04:39:30,939 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2024-11-03 04:39:30,940 INFO  L87              Difference]: Start difference. First operand 87 states and 135 transitions. Second operand  has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 04:39:40,492 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:42,506 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:45,849 WARN  L539   Checker$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 04:39:55,130 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:57,766 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:01,898 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:03,308 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:04,481 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:04,482 INFO  L93              Difference]: Finished difference Result 804 states and 1257 transitions.
[2024-11-03 04:40:04,483 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-11-03 04:40:04,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 183
[2024-11-03 04:40:04,485 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:04,500 INFO  L225             Difference]: With dead ends: 804
[2024-11-03 04:40:04,501 INFO  L226             Difference]: Without dead ends: 720
[2024-11-03 04:40:04,506 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552
[2024-11-03 04:40:04,507 INFO  L432           NwaCegarLoop]: 189 mSDtfsCounter, 1465 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 454 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time
[2024-11-03 04:40:04,507 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 919 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1251 Invalid, 3 Unknown, 0 Unchecked, 32.5s Time]
[2024-11-03 04:40:04,509 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 720 states.
[2024-11-03 04:40:04,551 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 87.
[2024-11-03 04:40:04,553 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 04:40:04,555 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 134 transitions.
[2024-11-03 04:40:04,556 INFO  L78                 Accepts]: Start accepts. Automaton has 87 states and 134 transitions. Word has length 183
[2024-11-03 04:40:04,559 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:04,560 INFO  L471      AbstractCegarLoop]: Abstraction has 87 states and 134 transitions.
[2024-11-03 04:40:04,560 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2024-11-03 04:40:04,560 INFO  L276                IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions.
[2024-11-03 04:40:04,563 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-11-03 04:40:04,565 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:04,566 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:04,570 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 04:40:04,768 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 04:40:04,769 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:04,770 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:04,770 INFO  L85        PathProgramCache]: Analyzing trace with hash 113287978, now seen corresponding path program 1 times
[2024-11-03 04:40:04,770 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:04,770 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736479929]
[2024-11-03 04:40:04,770 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:04,771 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:04,771 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:04,772 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 04:40:04,774 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 04:40:04,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:04,889 INFO  L255         TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:04,893 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:04,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 04:40:04,952 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:05,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked.
[2024-11-03 04:40:05,259 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:05,259 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736479929]
[2024-11-03 04:40:05,260 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [736479929] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:40:05,260 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:40:05,260 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:40:05,260 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637748415]
[2024-11-03 04:40:05,260 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:05,261 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:40:05,261 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:05,262 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:40:05,262 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:40:05,262 INFO  L87              Difference]: Start difference. First operand 87 states and 134 transitions. Second operand  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 04:40:09,419 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:11,346 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:40:11,399 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:11,399 INFO  L93              Difference]: Finished difference Result 254 states and 394 transitions.
[2024-11-03 04:40:11,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:40:11,400 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 184
[2024-11-03 04:40:11,401 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:11,403 INFO  L225             Difference]: With dead ends: 254
[2024-11-03 04:40:11,403 INFO  L226             Difference]: Without dead ends: 170
[2024-11-03 04:40:11,404 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 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 04:40:11,405 INFO  L432           NwaCegarLoop]: 133 mSDtfsCounter, 123 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time
[2024-11-03 04:40:11,406 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 255 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time]
[2024-11-03 04:40:11,406 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2024-11-03 04:40:11,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 167.
[2024-11-03 04:40:11,433 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 167 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2024-11-03 04:40:11,436 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 258 transitions.
[2024-11-03 04:40:11,437 INFO  L78                 Accepts]: Start accepts. Automaton has 167 states and 258 transitions. Word has length 184
[2024-11-03 04:40:11,438 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:11,438 INFO  L471      AbstractCegarLoop]: Abstraction has 167 states and 258 transitions.
[2024-11-03 04:40:11,438 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)
[2024-11-03 04:40:11,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 167 states and 258 transitions.
[2024-11-03 04:40:11,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-11-03 04:40:11,444 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:11,444 INFO  L215           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:11,449 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 04:40:11,647 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 04:40:11,648 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:11,649 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:11,649 INFO  L85        PathProgramCache]: Analyzing trace with hash 115135020, now seen corresponding path program 1 times
[2024-11-03 04:40:11,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:11,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696328477]
[2024-11-03 04:40:11,649 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:11,649 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:11,650 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:11,652 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 04:40:11,653 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 04:40:12,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:12,014 INFO  L255         TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 130 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:12,028 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:29,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 352 proven. 141 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked.
[2024-11-03 04:40:29,606 INFO  L311         TraceCheckSpWp]: Computing backward predicates...