./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 3289d67d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f94b058015be4fc42a3d40d63b8ed2b8d3be3933ae3f7b0cb4e17bd99a68e898
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m
[2024-11-17 03:59:06,645 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-17 03:59:06,728 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-17 03:59:06,732 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-17 03:59:06,736 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-17 03:59:06,765 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-17 03:59:06,766 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-17 03:59:06,766 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-17 03:59:06,767 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-17 03:59:06,768 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-17 03:59:06,768 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-17 03:59:06,769 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-17 03:59:06,769 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-17 03:59:06,771 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-17 03:59:06,771 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-17 03:59:06,772 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-17 03:59:06,772 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-17 03:59:06,772 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-17 03:59:06,773 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-17 03:59:06,773 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-17 03:59:06,776 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-17 03:59:06,776 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-17 03:59:06,777 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-17 03:59:06,777 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-17 03:59:06,777 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-17 03:59:06,778 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-17 03:59:06,778 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-17 03:59:06,778 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-17 03:59:06,779 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-17 03:59:06,779 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-17 03:59:06,779 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-17 03:59:06,779 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-17 03:59:06,780 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-17 03:59:06,780 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-17 03:59:06,781 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-17 03:59:06,781 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-17 03:59:06,781 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-17 03:59:06,782 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-17 03:59:06,782 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-17 03:59:06,782 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-17 03:59:06,783 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-17 03:59:06,783 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: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f94b058015be4fc42a3d40d63b8ed2b8d3be3933ae3f7b0cb4e17bd99a68e898
[2024-11-17 03:59:07,024 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-17 03:59:07,047 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-17 03:59:07,049 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-17 03:59:07,050 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-17 03:59:07,050 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-17 03:59:07,051 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c
[2024-11-17 03:59:08,480 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-17 03:59:08,650 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-17 03:59:08,650 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/cstrcmp.c
[2024-11-17 03:59:08,657 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca033143/65ab41b69438407798fa3cd3b660ad1a/FLAGfec2030b6
[2024-11-17 03:59:08,668 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca033143/65ab41b69438407798fa3cd3b660ad1a
[2024-11-17 03:59:08,671 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-17 03:59:08,672 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-17 03:59:08,673 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-17 03:59:08,674 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-17 03:59:08,678 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-17 03:59:08,678 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,679 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d73ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08, skipping insertion in model container
[2024-11-17 03:59:08,679 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,694 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-17 03:59:08,875 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-17 03:59:08,884 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-17 03:59:08,904 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-17 03:59:08,921 INFO  L204         MainTranslator]: Completed translation
[2024-11-17 03:59:08,921 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08 WrapperNode
[2024-11-17 03:59:08,922 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-17 03:59:08,923 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-17 03:59:08,923 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-17 03:59:08,923 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-17 03:59:08,930 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,938 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,955 INFO  L138                Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51
[2024-11-17 03:59:08,955 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-17 03:59:08,956 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-17 03:59:08,956 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-17 03:59:08,956 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-17 03:59:08,968 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,968 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,970 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,987 INFO  L175           MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1].
[2024-11-17 03:59:08,987 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,988 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,995 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,995 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,996 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:08,997 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:09,002 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-17 03:59:09,004 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-17 03:59:09,004 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-17 03:59:09,004 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-17 03:59:09,005 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (1/1) ...
[2024-11-17 03:59:09,009 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-17 03:59:09,021 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-17 03:59:09,038 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)
[2024-11-17 03:59:09,044 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
[2024-11-17 03:59:09,091 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-17 03:59:09,091 INFO  L130     BoogieDeclarations]: Found specification of procedure build_nondet_String
[2024-11-17 03:59:09,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure build_nondet_String
[2024-11-17 03:59:09,091 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-17 03:59:09,091 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-17 03:59:09,091 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-17 03:59:09,092 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-17 03:59:09,152 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-17 03:59:09,154 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-17 03:59:09,295 INFO  L1250  $ProcedureCfgBuilder]: dead code at ProgramPoint L44: havoc main_#t~ret10#1.base, main_#t~ret10#1.offset;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc main_#t~ret12#1;
[2024-11-17 03:59:09,306 INFO  L?                        ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2024-11-17 03:59:09,306 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-17 03:59:09,316 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-17 03:59:09,316 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-17 03:59:09,317 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:09 BoogieIcfgContainer
[2024-11-17 03:59:09,317 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-17 03:59:09,319 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-17 03:59:09,319 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-17 03:59:09,322 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-17 03:59:09,323 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:59:08" (1/3) ...
[2024-11-17 03:59:09,323 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b18f43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:59:09, skipping insertion in model container
[2024-11-17 03:59:09,324 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:59:08" (2/3) ...
[2024-11-17 03:59:09,324 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b18f43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:59:09, skipping insertion in model container
[2024-11-17 03:59:09,324 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:09" (3/3) ...
[2024-11-17 03:59:09,325 INFO  L112   eAbstractionObserver]: Analyzing ICFG cstrcmp.c
[2024-11-17 03:59:09,341 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-17 03:59:09,341 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-17 03:59:09,398 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-17 03:59:09,405 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;@5e40a1ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-17 03:59:09,405 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-17 03:59:09,414 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-17 03:59:09,419 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-17 03:59:09,419 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-17 03:59:09,420 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-17 03:59:09,420 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-17 03:59:09,424 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-17 03:59:09,425 INFO  L85        PathProgramCache]: Analyzing trace with hash 1625893629, now seen corresponding path program 1 times
[2024-11-17 03:59:09,433 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-17 03:59:09,433 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279814715]
[2024-11-17 03:59:09,434 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-17 03:59:09,434 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-17 03:59:09,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-17 03:59:09,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-17 03:59:09,610 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-17 03:59:09,611 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279814715]
[2024-11-17 03:59:09,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279814715] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-17 03:59:09,611 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-17 03:59:09,612 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-17 03:59:09,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656405209]
[2024-11-17 03:59:09,615 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-17 03:59:09,620 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-17 03:59:09,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-17 03:59:09,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-17 03:59:09,643 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-17 03:59:09,644 INFO  L87              Difference]: Start difference. First operand  has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,673 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-17 03:59:09,674 INFO  L93              Difference]: Finished difference Result 28 states and 31 transitions.
[2024-11-17 03:59:09,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-17 03:59:09,676 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-17 03:59:09,676 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-17 03:59:09,682 INFO  L225             Difference]: With dead ends: 28
[2024-11-17 03:59:09,682 INFO  L226             Difference]: Without dead ends: 13
[2024-11-17 03:59:09,684 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-17 03:59:09,687 INFO  L432           NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-17 03:59:09,688 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 37 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-17 03:59:09,700 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-11-17 03:59:09,709 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-11-17 03:59:09,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-17 03:59:09,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-11-17 03:59:09,712 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 7
[2024-11-17 03:59:09,712 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-17 03:59:09,712 INFO  L471      AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-11-17 03:59:09,712 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,712 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-11-17 03:59:09,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-17 03:59:09,713 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-17 03:59:09,713 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-17 03:59:09,713 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-17 03:59:09,713 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-17 03:59:09,714 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-17 03:59:09,714 INFO  L85        PathProgramCache]: Analyzing trace with hash -1136905082, now seen corresponding path program 1 times
[2024-11-17 03:59:09,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-17 03:59:09,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526671848]
[2024-11-17 03:59:09,714 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-17 03:59:09,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-17 03:59:09,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-17 03:59:09,774 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-17 03:59:09,774 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-17 03:59:09,775 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526671848]
[2024-11-17 03:59:09,775 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526671848] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-17 03:59:09,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-17 03:59:09,775 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-17 03:59:09,775 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710759337]
[2024-11-17 03:59:09,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-17 03:59:09,777 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-17 03:59:09,777 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-17 03:59:09,777 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-17 03:59:09,778 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-17 03:59:09,778 INFO  L87              Difference]: Start difference. First operand 13 states and 14 transitions. Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,800 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-17 03:59:09,801 INFO  L93              Difference]: Finished difference Result 18 states and 19 transitions.
[2024-11-17 03:59:09,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-17 03:59:09,801 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-17 03:59:09,801 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-17 03:59:09,802 INFO  L225             Difference]: With dead ends: 18
[2024-11-17 03:59:09,802 INFO  L226             Difference]: Without dead ends: 17
[2024-11-17 03:59:09,803 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-17 03:59:09,804 INFO  L432           NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-17 03:59:09,805 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-17 03:59:09,807 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-17 03:59:09,809 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16.
[2024-11-17 03:59:09,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-17 03:59:09,810 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2024-11-17 03:59:09,810 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8
[2024-11-17 03:59:09,811 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-17 03:59:09,811 INFO  L471      AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2024-11-17 03:59:09,811 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,811 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2024-11-17 03:59:09,812 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-17 03:59:09,812 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-17 03:59:09,812 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-17 03:59:09,812 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-17 03:59:09,812 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-17 03:59:09,813 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-17 03:59:09,813 INFO  L85        PathProgramCache]: Analyzing trace with hash -1136875291, now seen corresponding path program 1 times
[2024-11-17 03:59:09,813 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-17 03:59:09,814 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801962784]
[2024-11-17 03:59:09,814 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-17 03:59:09,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-17 03:59:09,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-17 03:59:09,861 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-17 03:59:09,862 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-17 03:59:09,862 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801962784]
[2024-11-17 03:59:09,862 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801962784] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-17 03:59:09,862 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-17 03:59:09,862 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-17 03:59:09,863 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846436865]
[2024-11-17 03:59:09,863 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-17 03:59:09,863 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-17 03:59:09,863 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-17 03:59:09,864 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-17 03:59:09,864 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-17 03:59:09,864 INFO  L87              Difference]: Start difference. First operand 16 states and 17 transitions. Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,880 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-17 03:59:09,884 INFO  L93              Difference]: Finished difference Result 16 states and 17 transitions.
[2024-11-17 03:59:09,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-17 03:59:09,885 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-17 03:59:09,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-17 03:59:09,885 INFO  L225             Difference]: With dead ends: 16
[2024-11-17 03:59:09,885 INFO  L226             Difference]: Without dead ends: 0
[2024-11-17 03:59:09,886 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-17 03:59:09,887 INFO  L432           NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-17 03:59:09,887 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-17 03:59:09,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-17 03:59:09,888 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-17 03:59:09,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,891 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-17 03:59:09,891 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2024-11-17 03:59:09,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-17 03:59:09,891 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-17 03:59:09,892 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-17 03:59:09,892 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-17 03:59:09,895 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-17 03:59:09,897 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-17 03:59:09,898 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-17 03:59:09,898 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-17 03:59:09,905 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-17 03:59:09,908 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-17 03:59:09,926 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-17 03:59:09,946 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:59:09 BoogieIcfgContainer
[2024-11-17 03:59:09,946 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-17 03:59:09,947 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-17 03:59:09,947 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-17 03:59:09,947 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-17 03:59:09,948 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:59:09" (3/4) ...
[2024-11-17 03:59:09,954 INFO  L143         WitnessPrinter]: Generating witness for correct program
[2024-11-17 03:59:09,958 INFO  L393     IcfgBacktranslator]: Ignoring RootEdge to procedure build_nondet_String
[2024-11-17 03:59:09,962 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-17 03:59:09,963 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-17 03:59:09,964 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-17 03:59:09,964 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-17 03:59:10,054 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-17 03:59:10,055 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-17 03:59:10,055 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-17 03:59:10,055 INFO  L158              Benchmark]: Toolchain (without parser) took 1383.31ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 69.7MB in the end (delta: 18.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,056 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-17 03:59:10,056 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 248.45ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 75.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,056 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.69ms. Allocated memory is still 140.5MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,057 INFO  L158              Benchmark]: Boogie Preprocessor took 46.72ms. Allocated memory is still 140.5MB. Free memory was 73.7MB in the beginning and 71.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,057 INFO  L158              Benchmark]: IcfgBuilder took 313.32ms. Allocated memory is still 140.5MB. Free memory was 71.7MB in the beginning and 110.2MB in the end (delta: -38.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,058 INFO  L158              Benchmark]: TraceAbstraction took 627.94ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 74.5MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,058 INFO  L158              Benchmark]: Witness Printer took 107.86ms. Allocated memory is still 140.5MB. Free memory was 74.5MB in the beginning and 69.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-17 03:59:10,059 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 248.45ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 75.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.69ms. Allocated memory is still 140.5MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 46.72ms. Allocated memory is still 140.5MB. Free memory was 73.7MB in the beginning and 71.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * IcfgBuilder took 313.32ms. Allocated memory is still 140.5MB. Free memory was 71.7MB in the beginning and 110.2MB in the end (delta: -38.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 627.94ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 74.5MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
 * Witness Printer took 107.86ms. Allocated memory is still 140.5MB. Free memory was 74.5MB in the beginning and 69.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 18]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 18]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
  - InvariantResult [Line: 32]: Location Invariant
    Derived location invariant: null
RESULT: Ultimate proved your program to be correct!
[2024-11-17 03:59:10,081 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE