/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-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d128_e0.c


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


This is Ultimate 0.2.5-dev-356b6ba-m
[2024-11-01 03:55:32,750 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-01 03:55:32,837 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-01 03:55:32,843 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-01 03:55:32,844 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-01 03:55:32,890 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-01 03:55:32,891 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-01 03:55:32,892 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-01 03:55:32,894 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-01 03:55:32,896 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-01 03:55:32,897 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-01 03:55:32,897 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-01 03:55:32,898 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-01 03:55:32,898 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-01 03:55:32,898 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-01 03:55:32,899 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-01 03:55:32,902 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-01 03:55:32,903 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-01 03:55:32,903 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-01 03:55:32,903 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-01 03:55:32,904 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-01 03:55:32,904 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-01 03:55:32,904 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-01 03:55:32,904 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-01 03:55:32,905 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-01 03:55:32,905 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-01 03:55:32,905 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-01 03:55:32,906 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-01 03:55:32,906 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-01 03:55:32,906 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-01 03:55:32,906 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-01 03:55:32,907 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 03:55:32,907 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-01 03:55:32,908 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-01 03:55:32,909 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-01 03:55:32,909 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-01 03:55:32,910 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-01 03:55:32,910 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-01 03:55:32,910 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-01 03:55:32,910 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-01 03:55:32,910 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-01 03:55:32,911 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2024-11-01 03:55:32,911 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-01 03:55:33,301 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-01 03:55:33,327 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-01 03:55:33,332 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-01 03:55:33,333 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-01 03:55:33,334 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-01 03:55:33,335 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d128_e0.c
[2024-11-01 03:55:35,083 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-01 03:55:35,669 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-01 03:55:35,669 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d128_e0.c
[2024-11-01 03:55:35,733 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5be7e5506/d1b0278a85034a908dd895fee3b208f2/FLAGfdf95c621
[2024-11-01 03:55:36,173 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5be7e5506/d1b0278a85034a908dd895fee3b208f2
[2024-11-01 03:55:36,175 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-01 03:55:36,177 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-01 03:55:36,178 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-01 03:55:36,178 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-01 03:55:36,185 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-01 03:55:36,185 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:55:36" (1/1) ...
[2024-11-01 03:55:36,186 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2cf6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:36, skipping insertion in model container
[2024-11-01 03:55:36,187 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:55:36" (1/1) ...
[2024-11-01 03:55:36,370 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-01 03:55:36,729 WARN  L251   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d128_e0.c[1271,1284]
[2024-11-01 03:55:37,734 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-01 03:55:37,751 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-01 03:55:37,765 WARN  L251   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w8_d128_e0.c[1271,1284]
[2024-11-01 03:55:38,346 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-01 03:55:38,365 INFO  L204         MainTranslator]: Completed translation
[2024-11-01 03:55:38,368 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38 WrapperNode
[2024-11-01 03:55:38,368 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-01 03:55:38,369 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-01 03:55:38,370 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-01 03:55:38,370 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-01 03:55:38,378 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:38,557 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:38,994 INFO  L138                Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12499
[2024-11-01 03:55:38,994 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-01 03:55:38,995 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-01 03:55:38,995 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-01 03:55:38,995 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-01 03:55:39,007 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,007 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,115 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,298 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].
[2024-11-01 03:55:39,299 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,299 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,523 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,561 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,598 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,726 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,811 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-01 03:55:39,813 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-01 03:55:39,813 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-01 03:55:39,814 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-01 03:55:39,815 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (1/1) ...
[2024-11-01 03:55:39,820 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 03:55:39,833 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 03:55:39,848 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)
[2024-11-01 03:55:39,860 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
[2024-11-01 03:55:39,892 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-01 03:55:39,892 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-01 03:55:39,892 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-01 03:55:39,892 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-01 03:55:39,892 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-01 03:55:39,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-01 03:55:41,385 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-01 03:55:41,388 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-01 03:55:56,818 INFO  L?                        ?]: Removed 3402 outVars from TransFormulas that were not future-live.
[2024-11-01 03:55:56,818 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-01 03:55:56,831 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-01 03:55:56,831 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-01 03:55:56,831 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:55:56 BoogieIcfgContainer
[2024-11-01 03:55:56,831 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-01 03:55:56,833 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-01 03:55:56,833 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-01 03:55:56,836 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-01 03:55:56,837 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:55:36" (1/3) ...
[2024-11-01 03:55:56,837 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb7e7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:55:56, skipping insertion in model container
[2024-11-01 03:55:56,837 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:55:38" (2/3) ...
[2024-11-01 03:55:56,838 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb7e7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:55:56, skipping insertion in model container
[2024-11-01 03:55:56,838 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:55:56" (3/3) ...
[2024-11-01 03:55:56,839 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w8_d128_e0.c
[2024-11-01 03:55:56,854 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-01 03:55:56,854 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-01 03:55:56,903 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-01 03:55:56,909 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;@1acc7cba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-01 03:55:56,909 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-01 03:55:56,913 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-01 03:55:56,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-01 03:55:56,920 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-01 03:55:56,921 INFO  L215           NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-01 03:55:56,921 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 03:55:56,925 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 03:55:56,925 INFO  L85        PathProgramCache]: Analyzing trace with hash -209771273, now seen corresponding path program 1 times
[2024-11-01 03:55:56,931 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 03:55:56,931 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109871753]
[2024-11-01 03:55:56,931 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 03:55:56,933 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-01 03:55:56,933 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 03:55:56,934 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)
[2024-11-01 03:55:56,936 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-01 03:55:59,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 03:55:59,942 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-01 03:55:59,991 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 03:56:00,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2024-11-01 03:56:00,665 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-01 03:56:01,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked.
[2024-11-01 03:56:01,662 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-01 03:56:01,662 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109871753]
[2024-11-01 03:56:01,663 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1109871753] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-01 03:56:01,663 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-01 03:56:01,663 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11
[2024-11-01 03:56:01,666 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580115165]
[2024-11-01 03:56:01,667 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-01 03:56:01,671 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-01 03:56:01,671 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-01 03:56:01,698 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-01 03:56:01,699 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-11-01 03:56:01,701 INFO  L87              Difference]: Start difference. First operand  has 34 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand  has 11 states, 9 states have (on average 4.0) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20)
[2024-11-01 03:56:04,574 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-01 03:56:05,437 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-01 03:56:05,437 INFO  L93              Difference]: Finished difference Result 85 states and 140 transitions.
[2024-11-01 03:56:05,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-01 03:56:05,440 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 4.0) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 65
[2024-11-01 03:56:05,440 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-01 03:56:05,445 INFO  L225             Difference]: With dead ends: 85
[2024-11-01 03:56:05,446 INFO  L226             Difference]: Without dead ends: 53
[2024-11-01 03:56:05,448 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-11-01 03:56:05,451 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2024-11-01 03:56:05,452 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2024-11-01 03:56:05,464 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-01 03:56:05,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2024-11-01 03:56:05,485 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-01 03:56:05,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions.
[2024-11-01 03:56:05,488 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 65
[2024-11-01 03:56:05,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-01 03:56:05,490 INFO  L471      AbstractCegarLoop]: Abstraction has 53 states and 72 transitions.
[2024-11-01 03:56:05,490 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 4.0) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20)
[2024-11-01 03:56:05,490 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions.
[2024-11-01 03:56:05,494 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-01 03:56:05,495 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-01 03:56:05,495 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-01 03:56:05,525 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-01 03:56:05,696 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
[2024-11-01 03:56:05,696 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 03:56:05,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 03:56:05,697 INFO  L85        PathProgramCache]: Analyzing trace with hash -1242097501, now seen corresponding path program 1 times
[2024-11-01 03:56:05,697 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 03:56:05,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542792102]
[2024-11-01 03:56:05,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 03:56:05,698 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-01 03:56:05,698 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 03:56:05,700 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)
[2024-11-01 03:56:05,701 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-01 03:56:10,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 03:56:10,638 INFO  L255         TraceCheckSpWp]: Trace formula consists of 7896 conjuncts, 43 conjuncts are in the unsatisfiable core
[2024-11-01 03:56:10,719 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 03:56:11,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-01 03:56:11,813 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-01 03:56:18,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-01 03:56:18,913 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-01 03:56:18,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542792102]
[2024-11-01 03:56:18,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [542792102] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-01 03:56:18,913 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-01 03:56:18,914 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17
[2024-11-01 03:56:18,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782235051]
[2024-11-01 03:56:18,914 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-01 03:56:18,916 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-01 03:56:18,916 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-01 03:56:18,917 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-01 03:56:18,917 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272
[2024-11-01 03:56:18,918 INFO  L87              Difference]: Start difference. First operand 53 states and 72 transitions. Second operand  has 17 states, 15 states have (on average 4.133333333333334) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40)
[2024-11-01 03:56:22,663 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-01 03:56:27,860 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-01 03:56:28,736 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-01 03:56:28,736 INFO  L93              Difference]: Finished difference Result 78 states and 107 transitions.
[2024-11-01 03:56:28,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-01 03:56:28,737 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 15 states have (on average 4.133333333333334) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40) Word has length 128
[2024-11-01 03:56:28,738 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-01 03:56:28,741 INFO  L225             Difference]: With dead ends: 78
[2024-11-01 03:56:28,741 INFO  L226             Difference]: Without dead ends: 76
[2024-11-01 03:56:28,742 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420
[2024-11-01 03:56:28,743 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time
[2024-11-01 03:56:28,743 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 234 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time]
[2024-11-01 03:56:28,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-01 03:56:28,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-11-01 03:56:28,756 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-01 03:56:28,758 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions.
[2024-11-01 03:56:28,758 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 128
[2024-11-01 03:56:28,759 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-01 03:56:28,759 INFO  L471      AbstractCegarLoop]: Abstraction has 76 states and 105 transitions.
[2024-11-01 03:56:28,760 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 15 states have (on average 4.133333333333334) internal successors, (62), 17 states have internal predecessors, (62), 8 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 6 states have call predecessors, (40), 8 states have call successors, (40)
[2024-11-01 03:56:28,760 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions.
[2024-11-01 03:56:28,763 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-01 03:56:28,763 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-01 03:56:28,763 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1]
[2024-11-01 03:56:28,811 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-01 03:56:28,964 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
[2024-11-01 03:56:28,964 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 03:56:28,965 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 03:56:28,965 INFO  L85        PathProgramCache]: Analyzing trace with hash -2139398281, now seen corresponding path program 2 times
[2024-11-01 03:56:28,965 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 03:56:28,965 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271314517]
[2024-11-01 03:56:28,965 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 03:56:28,966 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-01 03:56:28,966 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 03:56:28,968 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)
[2024-11-01 03:56:28,969 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-01 03:56:42,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 03:56:43,090 INFO  L255         TraceCheckSpWp]: Trace formula consists of 11760 conjuncts, 146 conjuncts are in the unsatisfiable core
[2024-11-01 03:56:43,197 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 03:56:50,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 1807 backedges. 198 proven. 181 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked.
[2024-11-01 03:56:50,427 INFO  L311         TraceCheckSpWp]: Computing backward predicates...