/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-56.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 08:14:38,366 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 08:14:38,414 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-19 08:14:38,434 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 08:14:38,435 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 08:14:38,467 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 08:14:38,468 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 08:14:38,468 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 08:14:38,469 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 08:14:38,469 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 08:14:38,469 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 08:14:38,469 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 08:14:38,470 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 08:14:38,470 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 08:14:38,470 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 08:14:38,470 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 08:14:38,471 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 08:14:38,471 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 08:14:38,471 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 08:14:38,471 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 08:14:38,471 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 08:14:38,472 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 08:14:38,472 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 08:14:38,472 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 08:14:38,472 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 08:14:38,473 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 08:14:38,473 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 08:14:38,473 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 08:14:38,473 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 08:14:38,473 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 08:14:38,473 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 08:14:38,474 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 08:14:38,474 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 08:14:38,474 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 08:14:38,474 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 08:14:38,474 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 08:14:38,474 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 08:14:38,475 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 08:14:38,475 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 08:14:38,475 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 08:14:38,475 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 08:14:38,475 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 08:14:38,475 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 08:14:38,475 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 08:14:38,630 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 08:14:38,657 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 08:14:38,659 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 08:14:38,660 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 08:14:38,661 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 08:14:38,662 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-56.i
[2023-12-19 08:14:39,856 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 08:14:40,114 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 08:14:40,115 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-56.i
[2023-12-19 08:14:40,129 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449fea4ee/393bf5c742044f2ba717d05dd7ae506e/FLAG720c9651b
[2023-12-19 08:14:40,138 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449fea4ee/393bf5c742044f2ba717d05dd7ae506e
[2023-12-19 08:14:40,140 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 08:14:40,141 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 08:14:40,141 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 08:14:40,141 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 08:14:40,149 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 08:14:40,150 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,151 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e25efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40, skipping insertion in model container
[2023-12-19 08:14:40,151 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,191 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 08:14:40,321 WARN  L239   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_fillercode_fillercodestructure_filler-pe-ci_file-56.i[919,932]
[2023-12-19 08:14:40,383 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 08:14:40,401 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 08:14:40,409 WARN  L239   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_fillercode_fillercodestructure_filler-pe-ci_file-56.i[919,932]
[2023-12-19 08:14:40,462 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 08:14:40,490 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 08:14:40,491 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40 WrapperNode
[2023-12-19 08:14:40,491 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 08:14:40,492 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 08:14:40,492 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 08:14:40,492 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 08:14:40,498 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,527 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,571 INFO  L138                Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209
[2023-12-19 08:14:40,571 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 08:14:40,573 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 08:14:40,573 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 08:14:40,574 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 08:14:40,589 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,589 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,594 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,644 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].
[2023-12-19 08:14:40,644 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,644 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,669 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,672 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,676 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,689 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,696 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 08:14:40,696 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 08:14:40,696 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 08:14:40,697 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 08:14:40,697 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (1/1) ...
[2023-12-19 08:14:40,703 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 08:14:40,709 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:40,719 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)
[2023-12-19 08:14:40,741 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 08:14:40,741 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-19 08:14:40,741 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-19 08:14:40,742 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 08:14:40,742 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 08:14:40,742 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 08:14:40,728 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
[2023-12-19 08:14:40,828 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 08:14:40,830 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 08:14:41,224 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 08:14:41,262 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 08:14:41,262 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-19 08:14:41,263 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:14:41 BoogieIcfgContainer
[2023-12-19 08:14:41,263 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 08:14:41,264 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 08:14:41,264 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 08:14:41,266 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 08:14:41,267 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 08:14:40" (1/3) ...
[2023-12-19 08:14:41,267 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ad3d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 08:14:41, skipping insertion in model container
[2023-12-19 08:14:41,267 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:14:40" (2/3) ...
[2023-12-19 08:14:41,268 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ad3d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 08:14:41, skipping insertion in model container
[2023-12-19 08:14:41,268 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:14:41" (3/3) ...
[2023-12-19 08:14:41,268 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-56.i
[2023-12-19 08:14:41,280 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 08:14:41,280 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 08:14:41,319 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 08:14:41,324 INFO  L357      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, mHoare=true, 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;@2add3a49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 08:14:41,324 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 08:14:41,327 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 83 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 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)
[2023-12-19 08:14:41,338 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2023-12-19 08:14:41,339 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:41,339 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:41,339 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:41,342 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:41,343 INFO  L85        PathProgramCache]: Analyzing trace with hash -1840449927, now seen corresponding path program 1 times
[2023-12-19 08:14:41,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:41,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643998951]
[2023-12-19 08:14:41,349 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:41,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:41,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:41,559 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:14:41,560 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643998951]
[2023-12-19 08:14:41,560 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic
[2023-12-19 08:14:41,560 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803610059]
[2023-12-19 08:14:41,561 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:41,561 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:41,561 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:41,584 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)
[2023-12-19 08:14:41,602 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-12-19 08:14:41,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:41,745 INFO  L262         TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-19 08:14:41,756 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:14:41,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked.
[2023-12-19 08:14:41,793 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:14:41,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [803610059] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:14:41,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:14:41,794 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 08:14:41,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74340889]
[2023-12-19 08:14:41,796 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:14:41,799 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 08:14:41,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:14:41,845 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 08:14:41,846 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 08:14:41,847 INFO  L87              Difference]: Start difference. First operand  has 83 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 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) 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30)
[2023-12-19 08:14:41,874 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:14:41,875 INFO  L93              Difference]: Finished difference Result 162 states and 294 transitions.
[2023-12-19 08:14:41,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 08:14:41,876 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 188
[2023-12-19 08:14:41,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:14:41,881 INFO  L225             Difference]: With dead ends: 162
[2023-12-19 08:14:41,881 INFO  L226             Difference]: Without dead ends: 80
[2023-12-19 08:14:41,884 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 08:14:41,886 INFO  L413           NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 08:14:41,887 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 08:14:41,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2023-12-19 08:14:41,913 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2023-12-19 08:14:41,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 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)
[2023-12-19 08:14:41,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions.
[2023-12-19 08:14:41,917 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 188
[2023-12-19 08:14:41,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:14:41,917 INFO  L495      AbstractCegarLoop]: Abstraction has 80 states and 126 transitions.
[2023-12-19 08:14:41,918 INFO  L496      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, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30)
[2023-12-19 08:14:41,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions.
[2023-12-19 08:14:41,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2023-12-19 08:14:41,920 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:41,920 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:41,926 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-12-19 08:14:42,126 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-12-19 08:14:42,126 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:42,127 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:42,127 INFO  L85        PathProgramCache]: Analyzing trace with hash 1701421489, now seen corresponding path program 1 times
[2023-12-19 08:14:42,127 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:42,127 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657813057]
[2023-12-19 08:14:42,127 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:42,127 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:42,184 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:14:42,184 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764102579]
[2023-12-19 08:14:42,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:42,185 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:42,185 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:42,186 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)
[2023-12-19 08:14:42,190 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-12-19 08:14:42,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:42,318 INFO  L262         TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-19 08:14:42,322 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:14:42,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.
[2023-12-19 08:14:42,369 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:14:42,369 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:14:42,369 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657813057]
[2023-12-19 08:14:42,370 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:14:42,370 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764102579]
[2023-12-19 08:14:42,370 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764102579] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:14:42,370 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:14:42,370 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-19 08:14:42,370 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577330642]
[2023-12-19 08:14:42,370 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:14:42,371 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 08:14:42,371 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:14:42,372 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 08:14:42,372 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 08:14:42,372 INFO  L87              Difference]: Start difference. First operand 80 states and 126 transitions. Second operand  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2023-12-19 08:14:42,434 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:14:42,435 INFO  L93              Difference]: Finished difference Result 160 states and 253 transitions.
[2023-12-19 08:14:42,435 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 08:14:42,436 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188
[2023-12-19 08:14:42,438 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:14:42,440 INFO  L225             Difference]: With dead ends: 160
[2023-12-19 08:14:42,440 INFO  L226             Difference]: Without dead ends: 81
[2023-12-19 08:14:42,443 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 08:14:42,445 INFO  L413           NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 08:14:42,445 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 08:14:42,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2023-12-19 08:14:42,453 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2023-12-19 08:14:42,453 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 49 states have internal predecessors, (67), 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)
[2023-12-19 08:14:42,455 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 127 transitions.
[2023-12-19 08:14:42,455 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 127 transitions. Word has length 188
[2023-12-19 08:14:42,456 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:14:42,456 INFO  L495      AbstractCegarLoop]: Abstraction has 81 states and 127 transitions.
[2023-12-19 08:14:42,456 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2023-12-19 08:14:42,456 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions.
[2023-12-19 08:14:42,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2023-12-19 08:14:42,458 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:42,458 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:42,467 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-12-19 08:14:42,667 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-12-19 08:14:42,667 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:42,668 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:42,668 INFO  L85        PathProgramCache]: Analyzing trace with hash 1021363119, now seen corresponding path program 1 times
[2023-12-19 08:14:42,668 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:42,668 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089846141]
[2023-12-19 08:14:42,668 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:42,669 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:42,698 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:14:42,699 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1613014533]
[2023-12-19 08:14:42,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:42,699 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:42,699 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:42,700 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)
[2023-12-19 08:14:42,747 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-12-19 08:14:42,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:42,872 INFO  L262         TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-19 08:14:42,877 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:14:43,099 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 869 proven. 51 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked.
[2023-12-19 08:14:43,100 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 08:14:43,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked.
[2023-12-19 08:14:43,308 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:14:43,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089846141]
[2023-12-19 08:14:43,308 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:14:43,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613014533]
[2023-12-19 08:14:43,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613014533] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 08:14:43,309 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 08:14:43,309 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-12-19 08:14:43,309 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768311547]
[2023-12-19 08:14:43,309 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 08:14:43,310 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-19 08:14:43,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:14:43,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-19 08:14:43,310 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-19 08:14:43,311 INFO  L87              Difference]: Start difference. First operand 81 states and 127 transitions. Second operand  has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48)
[2023-12-19 08:14:43,517 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:14:43,517 INFO  L93              Difference]: Finished difference Result 167 states and 258 transitions.
[2023-12-19 08:14:43,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-19 08:14:43,519 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 188
[2023-12-19 08:14:43,519 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:14:43,521 INFO  L225             Difference]: With dead ends: 167
[2023-12-19 08:14:43,521 INFO  L226             Difference]: Without dead ends: 87
[2023-12-19 08:14:43,521 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2023-12-19 08:14:43,522 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 138 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 08:14:43,523 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 175 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 08:14:43,524 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2023-12-19 08:14:43,534 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85.
[2023-12-19 08:14:43,535 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 52 states have internal predecessors, (69), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2023-12-19 08:14:43,535 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 129 transitions.
[2023-12-19 08:14:43,536 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 129 transitions. Word has length 188
[2023-12-19 08:14:43,536 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:14:43,537 INFO  L495      AbstractCegarLoop]: Abstraction has 85 states and 129 transitions.
[2023-12-19 08:14:43,537 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48)
[2023-12-19 08:14:43,537 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions.
[2023-12-19 08:14:43,539 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2023-12-19 08:14:43,539 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:43,539 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:43,548 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-12-19 08:14:43,745 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:43,746 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:43,746 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:43,746 INFO  L85        PathProgramCache]: Analyzing trace with hash 844366380, now seen corresponding path program 1 times
[2023-12-19 08:14:43,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:43,747 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736398771]
[2023-12-19 08:14:43,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:43,747 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:43,778 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:14:43,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222929784]
[2023-12-19 08:14:43,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:43,779 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:43,779 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:43,805 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)
[2023-12-19 08:14:43,830 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-12-19 08:14:43,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:43,935 INFO  L262         TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-19 08:14:43,939 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:14:44,103 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 717 proven. 63 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked.
[2023-12-19 08:14:44,104 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 08:14:44,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 24 proven. 63 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked.
[2023-12-19 08:14:44,266 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:14:44,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736398771]
[2023-12-19 08:14:44,267 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:14:44,267 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222929784]
[2023-12-19 08:14:44,267 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222929784] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 08:14:44,267 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 08:14:44,267 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-12-19 08:14:44,267 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78623153]
[2023-12-19 08:14:44,268 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 08:14:44,269 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-19 08:14:44,269 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:14:44,270 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-19 08:14:44,271 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-19 08:14:44,271 INFO  L87              Difference]: Start difference. First operand 85 states and 129 transitions. Second operand  has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52)
[2023-12-19 08:14:44,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:14:44,477 INFO  L93              Difference]: Finished difference Result 174 states and 261 transitions.
[2023-12-19 08:14:44,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-12-19 08:14:44,478 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 189
[2023-12-19 08:14:44,479 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:14:44,480 INFO  L225             Difference]: With dead ends: 174
[2023-12-19 08:14:44,480 INFO  L226             Difference]: Without dead ends: 90
[2023-12-19 08:14:44,481 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132
[2023-12-19 08:14:44,482 INFO  L413           NwaCegarLoop]: 78 mSDtfsCounter, 50 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-19 08:14:44,482 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 174 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-19 08:14:44,483 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2023-12-19 08:14:44,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88.
[2023-12-19 08:14:44,494 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 54 states have internal predecessors, (70), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2023-12-19 08:14:44,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions.
[2023-12-19 08:14:44,495 INFO  L78                 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 189
[2023-12-19 08:14:44,495 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:14:44,495 INFO  L495      AbstractCegarLoop]: Abstraction has 88 states and 130 transitions.
[2023-12-19 08:14:44,496 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52)
[2023-12-19 08:14:44,496 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions.
[2023-12-19 08:14:44,498 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2023-12-19 08:14:44,498 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:44,498 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:44,511 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-12-19 08:14:44,705 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:44,706 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:44,706 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:44,707 INFO  L85        PathProgramCache]: Analyzing trace with hash -650074388, now seen corresponding path program 1 times
[2023-12-19 08:14:44,707 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:44,707 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765440421]
[2023-12-19 08:14:44,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:44,707 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:44,750 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:14:44,751 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329077689]
[2023-12-19 08:14:44,751 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:44,751 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:44,751 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:44,752 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)
[2023-12-19 08:14:44,800 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-12-19 08:14:44,876 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:44,878 INFO  L262         TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-12-19 08:14:44,882 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:14:45,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 929 proven. 108 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2023-12-19 08:14:45,265 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-19 08:14:45,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 60 proven. 111 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked.
[2023-12-19 08:14:45,500 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:14:45,500 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765440421]
[2023-12-19 08:14:45,500 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:14:45,500 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329077689]
[2023-12-19 08:14:45,500 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329077689] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-19 08:14:45,500 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-19 08:14:45,501 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2023-12-19 08:14:45,501 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021257893]
[2023-12-19 08:14:45,501 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-19 08:14:45,501 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-12-19 08:14:45,501 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:14:45,502 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-12-19 08:14:45,502 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182
[2023-12-19 08:14:45,502 INFO  L87              Difference]: Start difference. First operand 88 states and 130 transitions. Second operand  has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 5 states have call successors, (50), 3 states have call predecessors, (50), 7 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51)
[2023-12-19 08:14:45,748 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:14:45,748 INFO  L93              Difference]: Finished difference Result 187 states and 269 transitions.
[2023-12-19 08:14:45,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-12-19 08:14:45,749 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 5 states have call successors, (50), 3 states have call predecessors, (50), 7 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) Word has length 190
[2023-12-19 08:14:45,749 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:14:45,750 INFO  L225             Difference]: With dead ends: 187
[2023-12-19 08:14:45,750 INFO  L226             Difference]: Without dead ends: 100
[2023-12-19 08:14:45,750 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420
[2023-12-19 08:14:45,751 INFO  L413           NwaCegarLoop]: 73 mSDtfsCounter, 128 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-19 08:14:45,751 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 164 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-19 08:14:45,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2023-12-19 08:14:45,779 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96.
[2023-12-19 08:14:45,779 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2023-12-19 08:14:45,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions.
[2023-12-19 08:14:45,780 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 190
[2023-12-19 08:14:45,781 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:14:45,781 INFO  L495      AbstractCegarLoop]: Abstraction has 96 states and 135 transitions.
[2023-12-19 08:14:45,781 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 5 states have call successors, (50), 3 states have call predecessors, (50), 7 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51)
[2023-12-19 08:14:45,781 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions.
[2023-12-19 08:14:45,783 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2023-12-19 08:14:45,783 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:45,783 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:45,790 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-12-19 08:14:45,988 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:45,989 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:45,989 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:45,989 INFO  L85        PathProgramCache]: Analyzing trace with hash -1043101398, now seen corresponding path program 1 times
[2023-12-19 08:14:45,989 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:45,989 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208471538]
[2023-12-19 08:14:45,989 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:45,990 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:46,022 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:14:46,022 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432863808]
[2023-12-19 08:14:46,022 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:46,023 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:46,023 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:46,024 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 08:14:46,048 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-12-19 08:14:46,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:46,161 INFO  L262         TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-19 08:14:46,163 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-19 08:14:46,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.
[2023-12-19 08:14:46,217 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-19 08:14:46,217 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 08:14:46,217 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208471538]
[2023-12-19 08:14:46,218 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-12-19 08:14:46,218 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432863808]
[2023-12-19 08:14:46,218 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432863808] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 08:14:46,218 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 08:14:46,218 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-19 08:14:46,218 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060944164]
[2023-12-19 08:14:46,218 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 08:14:46,218 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-19 08:14:46,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 08:14:46,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-19 08:14:46,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-19 08:14:46,219 INFO  L87              Difference]: Start difference. First operand 96 states and 135 transitions. Second operand  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2023-12-19 08:14:46,315 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 08:14:46,315 INFO  L93              Difference]: Finished difference Result 291 states and 409 transitions.
[2023-12-19 08:14:46,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-19 08:14:46,316 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 190
[2023-12-19 08:14:46,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 08:14:46,317 INFO  L225             Difference]: With dead ends: 291
[2023-12-19 08:14:46,317 INFO  L226             Difference]: Without dead ends: 196
[2023-12-19 08:14:46,317 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-12-19 08:14:46,318 INFO  L413           NwaCegarLoop]: 129 mSDtfsCounter, 250 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-19 08:14:46,318 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 454 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-19 08:14:46,318 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2023-12-19 08:14:46,326 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 145.
[2023-12-19 08:14:46,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 105 states have internal predecessors, (139), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34)
[2023-12-19 08:14:46,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 207 transitions.
[2023-12-19 08:14:46,327 INFO  L78                 Accepts]: Start accepts. Automaton has 145 states and 207 transitions. Word has length 190
[2023-12-19 08:14:46,328 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 08:14:46,328 INFO  L495      AbstractCegarLoop]: Abstraction has 145 states and 207 transitions.
[2023-12-19 08:14:46,328 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2023-12-19 08:14:46,328 INFO  L276                IsEmpty]: Start isEmpty. Operand 145 states and 207 transitions.
[2023-12-19 08:14:46,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 191
[2023-12-19 08:14:46,329 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 08:14:46,329 INFO  L195           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 08:14:46,337 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-12-19 08:14:46,535 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:46,535 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 08:14:46,536 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 08:14:46,536 INFO  L85        PathProgramCache]: Analyzing trace with hash 1562922156, now seen corresponding path program 1 times
[2023-12-19 08:14:46,536 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 08:14:46,536 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670645787]
[2023-12-19 08:14:46,536 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:46,536 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 08:14:46,553 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-12-19 08:14:46,553 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190660531]
[2023-12-19 08:14:46,553 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 08:14:46,553 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-12-19 08:14:46,553 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 08:14:46,554 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-12-19 08:14:46,560 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-12-19 08:14:46,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 08:14:46,798 INFO  L262         TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 66 conjunts are in the unsatisfiable core
[2023-12-19 08:14:46,804 INFO  L285         TraceCheckSpWp]: Computing forward predicates...