/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-35.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:39:07,431 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:39:07,487 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 04:39:07,492 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:39:07,493 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:39:07,521 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:39:07,522 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:39:07,523 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:39:07,524 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:39:07,524 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:39:07,525 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:39:07,525 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:39:07,525 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:39:07,525 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:39:07,526 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:39:07,526 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:39:07,526 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:39:07,526 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:39:07,526 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:39:07,527 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:39:07,527 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:39:07,531 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:39:07,531 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:39:07,531 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:39:07,531 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:39:07,531 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:39:07,532 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:39:07,532 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:39:07,532 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:39:07,532 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:39:07,532 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:39:07,532 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:39:07,533 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:39:07,533 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:39:07,533 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:39:07,533 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:39:07,533 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:39:07,534 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:39:07,534 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:39:07,534 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:39:07,536 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:39:07,536 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:39:07,536 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:39:07,536 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:39:07,536 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:07,746 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:39:07,770 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:39:07,774 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:39:07,775 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:39:07,775 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:39:07,777 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-35.i
[2024-11-03 04:39:09,160 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:39:09,365 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:39:09,366 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-35.i
[2024-11-03 04:39:09,375 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675cb258e/7a95d4e41e184a4599486c43a2b771ac/FLAG07418b18a
[2024-11-03 04:39:09,390 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/675cb258e/7a95d4e41e184a4599486c43a2b771ac
[2024-11-03 04:39:09,392 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:39:09,394 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:39:09,396 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:39:09,396 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:39:09,404 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:39:09,405 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,406 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3c3f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09, skipping insertion in model container
[2024-11-03 04:39:09,406 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,436 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:39:09,582 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-35.i[916,929]
[2024-11-03 04:39:09,649 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:39:09,674 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:39:09,685 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-35.i[916,929]
[2024-11-03 04:39:09,723 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:39:09,738 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:39:09,739 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09 WrapperNode
[2024-11-03 04:39:09,739 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:39:09,740 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:39:09,740 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:39:09,740 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:39:09,745 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,756 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,776 INFO  L138                Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192
[2024-11-03 04:39:09,777 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:39:09,777 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:39:09,777 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:39:09,777 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:39:09,789 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,789 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,796 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,813 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 04:39:09,813 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,813 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,821 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,824 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,826 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,827 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,830 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:39:09,831 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:39:09,831 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:39:09,831 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:39:09,833 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (1/1) ...
[2024-11-03 04:39:09,842 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:39:09,857 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:39:09,872 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 04:39:09,877 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 04:39:09,892 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:39:09,893 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:39:09,893 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:39:09,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:39:09,893 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:39:09,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:39:09,972 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:39:09,974 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:39:13,415 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-03 04:39:13,415 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:39:13,429 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:39:13,429 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:39:13,430 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:13 BoogieIcfgContainer
[2024-11-03 04:39:13,430 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:39:13,432 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:39:13,432 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:39:13,435 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:39:13,435 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:39:09" (1/3) ...
[2024-11-03 04:39:13,436 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e662e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:13, skipping insertion in model container
[2024-11-03 04:39:13,436 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:09" (2/3) ...
[2024-11-03 04:39:13,436 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e662e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:13, skipping insertion in model container
[2024-11-03 04:39:13,437 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:13" (3/3) ...
[2024-11-03 04:39:13,438 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-35.i
[2024-11-03 04:39:13,450 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:39:13,450 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:39:13,503 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:39:13,508 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;@6235f5d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:39:13,508 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:39:13,514 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 83 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 04:39:13,526 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-03 04:39:13,527 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:39:13,527 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:13,528 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:39:13,531 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:39:13,532 INFO  L85        PathProgramCache]: Analyzing trace with hash -1709239578, now seen corresponding path program 1 times
[2024-11-03 04:39:13,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:39:13,538 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110621556]
[2024-11-03 04:39:13,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:39:13,539 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:13,540 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:39:13,542 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 04:39:13,543 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 04:39:13,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:39:13,710 INFO  L255         TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:39:13,720 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:39:13,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-03 04:39:13,763 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:39:14,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-03 04:39:14,030 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:39:14,030 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110621556]
[2024-11-03 04:39:14,031 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2110621556] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:39:14,031 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:39:14,031 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:39:14,032 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866619160]
[2024-11-03 04:39:14,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:39:14,036 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:39:14,036 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:39:14,052 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:39:14,053 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:39:14,055 INFO  L87              Difference]: Start difference. First operand  has 83 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 04:39:14,078 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:39:14,078 INFO  L93              Difference]: Finished difference Result 159 states and 280 transitions.
[2024-11-03 04:39:14,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:39:14,080 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168
[2024-11-03 04:39:14,080 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:39:14,086 INFO  L225             Difference]: With dead ends: 159
[2024-11-03 04:39:14,086 INFO  L226             Difference]: Without dead ends: 79
[2024-11-03 04:39:14,089 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 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 04:39:14,091 INFO  L432           NwaCegarLoop]: 122 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, 122 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 04:39:14,092 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:39:14,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-11-03 04:39:14,122 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2024-11-03 04:39:14,123 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 79 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-03 04:39:14,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 122 transitions.
[2024-11-03 04:39:14,126 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 122 transitions. Word has length 168
[2024-11-03 04:39:14,126 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:39:14,127 INFO  L471      AbstractCegarLoop]: Abstraction has 79 states and 122 transitions.
[2024-11-03 04:39:14,127 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-03 04:39:14,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions.
[2024-11-03 04:39:14,129 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2024-11-03 04:39:14,130 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:39:14,130 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:14,135 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 04:39:14,334 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 04:39:14,334 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:39:14,335 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:39:14,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 2066946854, now seen corresponding path program 1 times
[2024-11-03 04:39:14,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:39:14,336 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344793557]
[2024-11-03 04:39:14,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:39:14,336 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:14,336 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:39:14,337 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 04:39:14,339 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 04:39:14,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:39:14,558 INFO  L255         TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:39:14,573 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:39:14,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:39:14,714 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:39:15,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:39:15,162 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:39:15,162 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344793557]
[2024-11-03 04:39:15,162 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1344793557] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:39:15,162 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:39:15,162 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:39:15,162 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686015136]
[2024-11-03 04:39:15,162 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:39:15,164 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:39:15,164 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:39:15,164 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:39:15,165 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:39:15,165 INFO  L87              Difference]: Start difference. First operand 79 states and 122 transitions. Second operand  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:39:16,490 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:18,219 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:18,267 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:39:18,270 INFO  L93              Difference]: Finished difference Result 185 states and 283 transitions.
[2024-11-03 04:39:18,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:39:18,271 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168
[2024-11-03 04:39:18,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:39:18,273 INFO  L225             Difference]: With dead ends: 185
[2024-11-03 04:39:18,273 INFO  L226             Difference]: Without dead ends: 109
[2024-11-03 04:39:18,274 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 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 04:39:18,276 INFO  L432           NwaCegarLoop]: 117 mSDtfsCounter, 37 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-03 04:39:18,277 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 214 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-03 04:39:18,278 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-11-03 04:39:18,291 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106.
[2024-11-03 04:39:18,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 75 states have (on average 1.36) internal successors, (102), 76 states have internal predecessors, (102), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 04:39:18,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 158 transitions.
[2024-11-03 04:39:18,295 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 158 transitions. Word has length 168
[2024-11-03 04:39:18,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:39:18,299 INFO  L471      AbstractCegarLoop]: Abstraction has 106 states and 158 transitions.
[2024-11-03 04:39:18,299 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:39:18,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions.
[2024-11-03 04:39:18,301 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-03 04:39:18,301 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:39:18,301 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:18,308 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 04:39:18,501 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 04:39:18,502 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:39:18,502 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:39:18,502 INFO  L85        PathProgramCache]: Analyzing trace with hash 562004794, now seen corresponding path program 1 times
[2024-11-03 04:39:18,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:39:18,502 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073984543]
[2024-11-03 04:39:18,503 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:39:18,503 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:18,503 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:39:18,504 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 04:39:18,506 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 04:39:18,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:39:18,624 INFO  L255         TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 102 conjuncts are in the unsatisfiable core
[2024-11-03 04:39:18,634 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:39:22,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked.
[2024-11-03 04:39:22,482 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:39:24,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:39:24,471 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:39:24,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073984543]
[2024-11-03 04:39:24,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1073984543] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:39:24,472 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:39:24,472 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9
[2024-11-03 04:39:24,472 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730714933]
[2024-11-03 04:39:24,472 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:39:24,473 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 04:39:24,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:39:24,473 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 04:39:24,473 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-03 04:39:24,474 INFO  L87              Difference]: Start difference. First operand 106 states and 158 transitions. Second operand  has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:39:26,287 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:27,492 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:39:27,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:39:27,493 INFO  L93              Difference]: Finished difference Result 310 states and 464 transitions.
[2024-11-03 04:39:27,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 04:39:27,517 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169
[2024-11-03 04:39:27,517 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:39:27,520 INFO  L225             Difference]: With dead ends: 310
[2024-11-03 04:39:27,520 INFO  L226             Difference]: Without dead ends: 207
[2024-11-03 04:39:27,521 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 327 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-03 04:39:27,522 INFO  L432           NwaCegarLoop]: 115 mSDtfsCounter, 96 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-11-03 04:39:27,523 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 453 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-11-03 04:39:27,524 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 207 states.
[2024-11-03 04:39:27,548 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 160.
[2024-11-03 04:39:27,549 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 160 states, 101 states have (on average 1.2772277227722773) internal successors, (129), 102 states have internal predecessors, (129), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-03 04:39:27,550 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions.
[2024-11-03 04:39:27,551 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 169
[2024-11-03 04:39:27,551 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:39:27,551 INFO  L471      AbstractCegarLoop]: Abstraction has 160 states and 237 transitions.
[2024-11-03 04:39:27,551 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-03 04:39:27,552 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions.
[2024-11-03 04:39:27,553 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-11-03 04:39:27,553 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:39:27,553 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:39:27,559 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 04:39:27,754 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 04:39:27,755 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:39:27,755 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:39:27,755 INFO  L85        PathProgramCache]: Analyzing trace with hash 2111786177, now seen corresponding path program 1 times
[2024-11-03 04:39:27,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:39:27,756 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717270336]
[2024-11-03 04:39:27,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:39:27,756 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:39:27,756 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:39:27,760 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 04:39:27,761 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 04:39:27,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:39:27,880 INFO  L255         TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 118 conjuncts are in the unsatisfiable core
[2024-11-03 04:39:27,893 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:39:39,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-03 04:39:39,672 INFO  L311         TraceCheckSpWp]: Computing backward predicates...