/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-30.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-02 21:34:30,894 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-02 21:34:30,948 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-02 21:34:30,952 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 21:34:30,953 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 21:34:30,969 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 21:34:30,969 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 21:34:30,970 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 21:34:30,970 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-02 21:34:30,970 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-02 21:34:30,970 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 21:34:30,971 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 21:34:30,971 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-02 21:34:30,971 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-02 21:34:30,971 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-02 21:34:30,972 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 21:34:30,972 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-02 21:34:30,972 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-02 21:34:30,972 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-02 21:34:30,973 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-02 21:34:30,973 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 21:34:30,973 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 21:34:30,974 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 21:34:30,974 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-02 21:34:30,974 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-02 21:34:30,974 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-02 21:34:30,975 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-02 21:34:30,975 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-02 21:34:30,975 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-02 21:34:30,975 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-02 21:34:30,975 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 21:34:30,976 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-02 21:34:30,976 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 21:34:30,976 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-02 21:34:30,976 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-02 21:34:30,977 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 21:34:30,977 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 21:34:30,978 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 21:34:30,978 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-02 21:34:30,978 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-02 21:34:30,978 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 21:34:30,979 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-02 21:34:30,979 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-02 21:34:30,979 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 21:34:30,980 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:31,139 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 21:34:31,156 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 21:34:31,158 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 21:34:31,159 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-02 21:34:31,159 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-02 21:34:31,160 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-30.i
[2024-11-02 21:34:32,346 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-02 21:34:32,543 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-02 21:34:32,543 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-30.i
[2024-11-02 21:34:32,551 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba81b4fb/e82ee32e7d8d4026a592bcea11ed48bb/FLAG50fe97940
[2024-11-02 21:34:32,933 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba81b4fb/e82ee32e7d8d4026a592bcea11ed48bb
[2024-11-02 21:34:32,935 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 21:34:32,936 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-02 21:34:32,938 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 21:34:32,938 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 21:34:32,942 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 21:34:32,943 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:34:32" (1/1) ...
[2024-11-02 21:34:32,944 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205ce0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:32, skipping insertion in model container
[2024-11-02 21:34:32,944 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:34:32" (1/1) ...
[2024-11-02 21:34:32,965 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-02 21:34:33,099 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-30.i[916,929]
[2024-11-02 21:34:33,166 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-02 21:34:33,177 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-02 21:34:33,186 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-30.i[916,929]
[2024-11-02 21:34:33,225 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-02 21:34:33,244 INFO  L204         MainTranslator]: Completed translation
[2024-11-02 21:34:33,244 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33 WrapperNode
[2024-11-02 21:34:33,245 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 21:34:33,246 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 21:34:33,246 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 21:34:33,246 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 21:34:33,251 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,260 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,278 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188
[2024-11-02 21:34:33,279 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 21:34:33,279 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 21:34:33,279 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 21:34:33,279 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 21:34:33,286 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,287 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,290 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,305 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-02 21:34:33,305 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,305 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,313 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,319 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,320 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,322 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,324 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 21:34:33,325 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 21:34:33,325 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 21:34:33,325 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-02 21:34:33,326 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (1/1) ...
[2024-11-02 21:34:33,335 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-02 21:34:33,342 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:34:33,355 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-02 21:34:33,357 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-02 21:34:33,375 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 21:34:33,376 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-02 21:34:33,376 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-02 21:34:33,376 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-02 21:34:33,376 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 21:34:33,377 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 21:34:33,452 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-02 21:34:33,454 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 21:34:37,340 INFO  L?                        ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-02 21:34:37,341 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-02 21:34:37,355 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 21:34:37,356 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-02 21:34:37,356 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:34:37 BoogieIcfgContainer
[2024-11-02 21:34:37,356 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 21:34:37,358 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 21:34:37,358 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 21:34:37,364 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-02 21:34:37,364 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:34:32" (1/3) ...
[2024-11-02 21:34:37,365 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ee9597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:34:37, skipping insertion in model container
[2024-11-02 21:34:37,365 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:34:33" (2/3) ...
[2024-11-02 21:34:37,365 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ee9597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:34:37, skipping insertion in model container
[2024-11-02 21:34:37,368 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:34:37" (3/3) ...
[2024-11-02 21:34:37,369 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-30.i
[2024-11-02 21:34:37,381 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 21:34:37,382 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-02 21:34:37,427 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 21:34:37,432 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;@f9f330b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 21:34:37,433 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-02 21:34:37,436 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 79 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-02 21:34:37,447 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 159
[2024-11-02 21:34:37,447 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:34:37,447 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:34:37,448 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:34:37,452 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:34:37,453 INFO  L85        PathProgramCache]: Analyzing trace with hash 1847948568, now seen corresponding path program 1 times
[2024-11-02 21:34:37,458 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:34:37,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856306580]
[2024-11-02 21:34:37,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:34:37,463 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:37,463 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:34:37,465 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:34:37,466 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-02 21:34:37,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:34:37,712 INFO  L255         TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-02 21:34:37,721 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:34:37,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-02 21:34:37,759 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:34:37,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-02 21:34:37,974 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:34:37,974 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856306580]
[2024-11-02 21:34:37,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [856306580] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-02 21:34:37,978 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-02 21:34:37,978 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-02 21:34:37,980 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164273227]
[2024-11-02 21:34:37,980 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 21:34:37,983 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-02 21:34:37,983 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:34:37,998 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-02 21:34:37,999 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 21:34:38,001 INFO  L87              Difference]: Start difference. First operand  has 79 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-02 21:34:38,027 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:34:38,029 INFO  L93              Difference]: Finished difference Result 150 states and 262 transitions.
[2024-11-02 21:34:38,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-02 21:34:38,030 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 158
[2024-11-02 21:34:38,030 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:34:38,035 INFO  L225             Difference]: With dead ends: 150
[2024-11-02 21:34:38,035 INFO  L226             Difference]: Without dead ends: 74
[2024-11-02 21:34:38,038 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-02 21:34:38,040 INFO  L432           NwaCegarLoop]: 112 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, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-02 21:34:38,040 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 21:34:38,051 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-11-02 21:34:38,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2024-11-02 21:34:38,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-02 21:34:38,072 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions.
[2024-11-02 21:34:38,073 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 158
[2024-11-02 21:34:38,074 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:34:38,075 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 112 transitions.
[2024-11-02 21:34:38,075 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-02 21:34:38,075 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions.
[2024-11-02 21:34:38,077 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 159
[2024-11-02 21:34:38,078 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:34:38,078 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:34:38,103 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-02 21:34:38,283 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:38,284 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:34:38,284 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:34:38,284 INFO  L85        PathProgramCache]: Analyzing trace with hash -1486965292, now seen corresponding path program 1 times
[2024-11-02 21:34:38,284 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:34:38,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55798191]
[2024-11-02 21:34:38,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:34:38,285 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:38,285 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:34:38,286 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:34:38,287 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-02 21:34:38,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:34:38,493 INFO  L255         TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-02 21:34:38,498 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:34:38,920 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-02 21:34:38,920 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:34:39,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-02 21:34:39,201 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:34:39,201 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55798191]
[2024-11-02 21:34:39,201 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [55798191] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-02 21:34:39,201 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-02 21:34:39,201 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4
[2024-11-02 21:34:39,202 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087734051]
[2024-11-02 21:34:39,202 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-02 21:34:39,203 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-02 21:34:39,203 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:34:39,204 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-02 21:34:39,204 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 21:34:39,204 INFO  L87              Difference]: Start difference. First operand 74 states and 112 transitions. Second operand  has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48)
[2024-11-02 21:34:41,865 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:34:43,777 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:34:43,815 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:34:43,815 INFO  L93              Difference]: Finished difference Result 256 states and 387 transitions.
[2024-11-02 21:34:43,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-02 21:34:43,840 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 158
[2024-11-02 21:34:43,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:34:43,844 INFO  L225             Difference]: With dead ends: 256
[2024-11-02 21:34:43,844 INFO  L226             Difference]: Without dead ends: 185
[2024-11-02 21:34:43,845 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-02 21:34:43,848 INFO  L432           NwaCegarLoop]: 122 mSDtfsCounter, 134 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time
[2024-11-02 21:34:43,849 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 357 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time]
[2024-11-02 21:34:43,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 185 states.
[2024-11-02 21:34:43,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 134.
[2024-11-02 21:34:43,881 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 134 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 83 states have internal predecessors, (105), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-02 21:34:43,884 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 201 transitions.
[2024-11-02 21:34:43,884 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 201 transitions. Word has length 158
[2024-11-02 21:34:43,885 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:34:43,885 INFO  L471      AbstractCegarLoop]: Abstraction has 134 states and 201 transitions.
[2024-11-02 21:34:43,885 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48)
[2024-11-02 21:34:43,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions.
[2024-11-02 21:34:43,889 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-11-02 21:34:43,889 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:34:43,889 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:34:43,912 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-02 21:34:44,090 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:44,090 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:34:44,091 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:34:44,091 INFO  L85        PathProgramCache]: Analyzing trace with hash -1348169896, now seen corresponding path program 1 times
[2024-11-02 21:34:44,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:34:44,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931482418]
[2024-11-02 21:34:44,091 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:34:44,091 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:44,092 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:34:44,093 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:34:44,094 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-02 21:34:44,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:34:44,274 INFO  L255         TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-02 21:34:44,280 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:34:44,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked.
[2024-11-02 21:34:44,634 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:34:45,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2024-11-02 21:34:45,000 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:34:45,000 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931482418]
[2024-11-02 21:34:45,001 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [931482418] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-02 21:34:45,001 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-02 21:34:45,001 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12
[2024-11-02 21:34:45,001 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315834414]
[2024-11-02 21:34:45,001 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-02 21:34:45,002 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-02 21:34:45,002 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:34:45,002 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-02 21:34:45,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132
[2024-11-02 21:34:45,003 INFO  L87              Difference]: Start difference. First operand 134 states and 201 transitions. Second operand  has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-02 21:34:48,582 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 21:34:48,689 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:34:48,690 INFO  L93              Difference]: Finished difference Result 219 states and 319 transitions.
[2024-11-02 21:34:48,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-02 21:34:48,715 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 159
[2024-11-02 21:34:48,715 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:34:48,716 INFO  L225             Difference]: With dead ends: 219
[2024-11-02 21:34:48,716 INFO  L226             Difference]: Without dead ends: 88
[2024-11-02 21:34:48,718 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 307 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=414, Unknown=0, NotChecked=0, Total=600
[2024-11-02 21:34:48,718 INFO  L432           NwaCegarLoop]: 74 mSDtfsCounter, 282 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-11-02 21:34:48,719 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 221 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-11-02 21:34:48,719 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-02 21:34:48,727 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82.
[2024-11-02 21:34:48,727 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-02 21:34:48,728 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 113 transitions.
[2024-11-02 21:34:48,728 INFO  L78                 Accepts]: Start accepts. Automaton has 82 states and 113 transitions. Word has length 159
[2024-11-02 21:34:48,729 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:34:48,729 INFO  L471      AbstractCegarLoop]: Abstraction has 82 states and 113 transitions.
[2024-11-02 21:34:48,729 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)
[2024-11-02 21:34:48,729 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions.
[2024-11-02 21:34:48,730 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-02 21:34:48,730 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:34:48,731 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:34:48,752 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-02 21:34:48,934 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:48,935 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:34:48,935 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:34:48,935 INFO  L85        PathProgramCache]: Analyzing trace with hash 1258003313, now seen corresponding path program 1 times
[2024-11-02 21:34:48,935 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:34:48,935 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259671825]
[2024-11-02 21:34:48,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:34:48,936 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:34:48,936 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:34:48,937 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:34:48,937 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-02 21:34:49,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:34:49,252 INFO  L255         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-02 21:34:49,257 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 21:34:52,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 575 proven. 189 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked.
[2024-11-02 21:34:52,908 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-02 21:35:00,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2024-11-02 21:35:00,774 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-02 21:35:00,774 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259671825]
[2024-11-02 21:35:00,774 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1259671825] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-02 21:35:00,774 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-02 21:35:00,774 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11] total 30
[2024-11-02 21:35:00,774 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117474442]
[2024-11-02 21:35:00,774 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-02 21:35:00,775 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-11-02 21:35:00,775 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-02 21:35:00,776 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-11-02 21:35:00,776 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=629, Unknown=0, NotChecked=0, Total=870
[2024-11-02 21:35:00,776 INFO  L87              Difference]: Start difference. First operand 82 states and 113 transitions. Second operand  has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 28 states have internal predecessors, (103), 10 states have call successors, (48), 7 states have call predecessors, (48), 9 states have return successors, (48), 8 states have call predecessors, (48), 10 states have call successors, (48)
[2024-11-02 21:35:07,739 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-02 21:35:10,859 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-02 21:35:15,790 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-02 21:35:19,811 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-02 21:35:23,478 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-02 21:35:30,498 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 21:35:30,498 INFO  L93              Difference]: Finished difference Result 342 states and 433 transitions.
[2024-11-02 21:35:30,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2024-11-02 21:35:30,503 INFO  L78                 Accepts]: Start accepts. Automaton has  has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 28 states have internal predecessors, (103), 10 states have call successors, (48), 7 states have call predecessors, (48), 9 states have return successors, (48), 8 states have call predecessors, (48), 10 states have call successors, (48) Word has length 160
[2024-11-02 21:35:30,505 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 21:35:30,507 INFO  L225             Difference]: With dead ends: 342
[2024-11-02 21:35:30,507 INFO  L226             Difference]: Without dead ends: 263
[2024-11-02 21:35:30,509 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=862, Invalid=2560, Unknown=0, NotChecked=0, Total=3422
[2024-11-02 21:35:30,510 INFO  L432           NwaCegarLoop]: 140 mSDtfsCounter, 426 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 66 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time
[2024-11-02 21:35:30,510 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 791 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1272 Invalid, 2 Unknown, 0 Unchecked, 26.0s Time]
[2024-11-02 21:35:30,511 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 263 states.
[2024-11-02 21:35:30,531 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 117.
[2024-11-02 21:35:30,532 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 84 states have (on average 1.1904761904761905) internal successors, (100), 84 states have internal predecessors, (100), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-02 21:35:30,532 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 148 transitions.
[2024-11-02 21:35:30,533 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 148 transitions. Word has length 160
[2024-11-02 21:35:30,533 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-02 21:35:30,533 INFO  L471      AbstractCegarLoop]: Abstraction has 117 states and 148 transitions.
[2024-11-02 21:35:30,535 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 28 states have internal predecessors, (103), 10 states have call successors, (48), 7 states have call predecessors, (48), 9 states have return successors, (48), 8 states have call predecessors, (48), 10 states have call successors, (48)
[2024-11-02 21:35:30,535 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions.
[2024-11-02 21:35:30,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-02 21:35:30,537 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-02 21:35:30,537 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 21:35:30,563 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-02 21:35:30,737 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:35:30,738 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-02 21:35:30,738 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 21:35:30,738 INFO  L85        PathProgramCache]: Analyzing trace with hash -1261956621, now seen corresponding path program 1 times
[2024-11-02 21:35:30,738 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-02 21:35:30,738 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214779635]
[2024-11-02 21:35:30,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 21:35:30,738 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-02 21:35:30,739 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-02 21:35:30,740 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-02 21:35:30,740 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-02 21:35:33,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 21:35:33,961 INFO  L255         TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 48 conjuncts are in the unsatisfiable core
[2024-11-02 21:35:33,968 INFO  L278         TraceCheckSpWp]: Computing forward predicates...