./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/AlternKonv.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/AlternKonv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu --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 9816d5cc9e8c1fba9291af90498afaa319416e5c56fa3cf3ce8da9d63d3e9939
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:47:14,956 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:47:15,088 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:47:15,099 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:47:15,102 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:47:15,130 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:47:15,131 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:47:15,132 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:47:15,133 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:47:15,138 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:47:15,139 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:47:15,140 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:47:15,140 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:47:15,141 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:47:15,141 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:47:15,142 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:47:15,142 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:47:15,143 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:47:15,143 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:47:15,144 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:47:15,144 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:47:15,145 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:47:15,146 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:47:15,146 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:47:15,147 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:47:15,147 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:47:15,148 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:47:15,148 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:47:15,149 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:47:15,149 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:47:15,150 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:47:15,150 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:47:15,150 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:47:15,151 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:47:15,151 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:47:15,151 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:47:15,151 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:47:15,152 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:47:15,152 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu
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 -> 9816d5cc9e8c1fba9291af90498afaa319416e5c56fa3cf3ce8da9d63d3e9939
[2023-11-19 07:47:15,540 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:47:15,578 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:47:15,582 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:47:15,583 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:47:15,585 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:47:15,586 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-restricted-15/AlternKonv.c
[2023-11-19 07:47:18,758 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:47:19,051 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:47:19,052 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/sv-benchmarks/c/termination-restricted-15/AlternKonv.c
[2023-11-19 07:47:19,061 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/data/c8743d8e3/d28a554d9de2485289edc53998c320f3/FLAG52a1b9806
[2023-11-19 07:47:19,082 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/data/c8743d8e3/d28a554d9de2485289edc53998c320f3
[2023-11-19 07:47:19,089 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:47:19,092 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:47:19,096 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:47:19,096 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:47:19,103 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:47:19,104 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,105 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635353a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19, skipping insertion in model container
[2023-11-19 07:47:19,105 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,131 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:47:19,327 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:47:19,334 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:47:19,355 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:47:19,366 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:47:19,366 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19 WrapperNode
[2023-11-19 07:47:19,366 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:47:19,367 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:47:19,368 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:47:19,368 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:47:19,376 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,380 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,399 INFO  L138                Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2023-11-19 07:47:19,399 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:47:19,400 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:47:19,400 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:47:19,400 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:47:19,410 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,411 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,411 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,412 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,414 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,418 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,423 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,424 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,426 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:47:19,427 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:47:19,427 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:47:19,427 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:47:19,428 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (1/1) ...
[2023-11-19 07:47:19,438 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:47:19,485 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:47:19,524 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:47:19,558 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:47:19,583 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:47:19,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:47:19,666 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:47:19,669 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:47:19,827 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:47:19,836 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:47:19,836 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:47:19,839 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:19 BoogieIcfgContainer
[2023-11-19 07:47:19,840 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:47:19,842 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:47:19,842 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:47:19,846 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:47:19,846 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:19" (1/3) ...
[2023-11-19 07:47:19,847 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21197aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:19, skipping insertion in model container
[2023-11-19 07:47:19,847 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19" (2/3) ...
[2023-11-19 07:47:19,848 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21197aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:19, skipping insertion in model container
[2023-11-19 07:47:19,848 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:19" (3/3) ...
[2023-11-19 07:47:19,850 INFO  L112   eAbstractionObserver]: Analyzing ICFG AlternKonv.c
[2023-11-19 07:47:19,870 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:47:19,871 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-19 07:47:19,921 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:47:19,929 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;@5c0acd24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:47:19,929 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-19 07:47:19,933 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 26 states have internal predecessors, (32), 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)
[2023-11-19 07:47:19,939 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:47:19,940 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:19,940 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:47:19,941 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:19,947 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:19,947 INFO  L85        PathProgramCache]: Analyzing trace with hash 28700425, now seen corresponding path program 1 times
[2023-11-19 07:47:19,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:19,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368707914]
[2023-11-19 07:47:19,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:19,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:20,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:20,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:20,165 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:20,165 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368707914]
[2023-11-19 07:47:20,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368707914] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:20,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:20,166 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:47:20,181 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169610007]
[2023-11-19 07:47:20,182 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:20,186 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:47:20,187 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:20,230 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:47:20,231 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:47:20,234 INFO  L87              Difference]: Start difference. First operand  has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 26 states have internal predecessors, (32), 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) Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2023-11-19 07:47:20,365 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:20,366 INFO  L93              Difference]: Finished difference Result 53 states and 68 transitions.
[2023-11-19 07:47:20,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:47:20,370 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5
[2023-11-19 07:47:20,370 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:20,381 INFO  L225             Difference]: With dead ends: 53
[2023-11-19 07:47:20,382 INFO  L226             Difference]: Without dead ends: 23
[2023-11-19 07:47:20,386 INFO  L412           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
[2023-11-19 07:47:20,394 INFO  L413           NwaCegarLoop]: 23 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:20,395 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:47:20,416 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2023-11-19 07:47:20,438 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2023-11-19 07:47:20,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 22 states have internal predecessors, (26), 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)
[2023-11-19 07:47:20,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions.
[2023-11-19 07:47:20,444 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 5
[2023-11-19 07:47:20,444 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:20,445 INFO  L495      AbstractCegarLoop]: Abstraction has 23 states and 26 transitions.
[2023-11-19 07:47:20,445 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2023-11-19 07:47:20,445 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions.
[2023-11-19 07:47:20,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:47:20,446 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:20,446 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:47:20,448 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:47:20,449 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:20,450 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:20,450 INFO  L85        PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times
[2023-11-19 07:47:20,451 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:20,451 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772484317]
[2023-11-19 07:47:20,451 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:20,452 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:20,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:20,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:20,523 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:20,524 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772484317]
[2023-11-19 07:47:20,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772484317] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:20,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:20,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:47:20,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532622441]
[2023-11-19 07:47:20,526 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:20,528 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:47:20,528 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:20,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:47:20,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:47:20,530 INFO  L87              Difference]: Start difference. First operand 23 states and 26 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2023-11-19 07:47:20,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:20,616 INFO  L93              Difference]: Finished difference Result 30 states and 36 transitions.
[2023-11-19 07:47:20,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:47:20,617 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5
[2023-11-19 07:47:20,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:20,618 INFO  L225             Difference]: With dead ends: 30
[2023-11-19 07:47:20,618 INFO  L226             Difference]: Without dead ends: 29
[2023-11-19 07:47:20,619 INFO  L412           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
[2023-11-19 07:47:20,620 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:20,621 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:47:20,622 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2023-11-19 07:47:20,626 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26.
[2023-11-19 07:47:20,626 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 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)
[2023-11-19 07:47:20,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions.
[2023-11-19 07:47:20,627 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 5
[2023-11-19 07:47:20,628 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:20,628 INFO  L495      AbstractCegarLoop]: Abstraction has 26 states and 30 transitions.
[2023-11-19 07:47:20,628 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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)
[2023-11-19 07:47:20,628 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions.
[2023-11-19 07:47:20,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:47:20,629 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:20,629 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:20,629 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:47:20,629 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:20,630 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:20,633 INFO  L85        PathProgramCache]: Analyzing trace with hash 889713244, now seen corresponding path program 1 times
[2023-11-19 07:47:20,634 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:20,634 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057206305]
[2023-11-19 07:47:20,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:20,637 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:20,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:20,685 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:20,686 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:20,686 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057206305]
[2023-11-19 07:47:20,686 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057206305] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:20,687 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:20,687 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:47:20,687 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384564415]
[2023-11-19 07:47:20,687 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:20,688 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:47:20,688 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:20,689 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:47:20,689 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:47:20,689 INFO  L87              Difference]: Start difference. First operand 26 states and 30 transitions. Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2023-11-19 07:47:20,756 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:20,756 INFO  L93              Difference]: Finished difference Result 26 states and 30 transitions.
[2023-11-19 07:47:20,757 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:47:20,757 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), 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) Word has length 6
[2023-11-19 07:47:20,757 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:20,758 INFO  L225             Difference]: With dead ends: 26
[2023-11-19 07:47:20,758 INFO  L226             Difference]: Without dead ends: 23
[2023-11-19 07:47:20,758 INFO  L412           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
[2023-11-19 07:47:20,760 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:20,761 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:47:20,762 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2023-11-19 07:47:20,766 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2023-11-19 07:47:20,766 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 20 states have (on average 1.35) internal successors, (27), 22 states have internal predecessors, (27), 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)
[2023-11-19 07:47:20,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2023-11-19 07:47:20,776 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 6
[2023-11-19 07:47:20,776 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:20,776 INFO  L495      AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2023-11-19 07:47:20,776 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2023-11-19 07:47:20,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2023-11-19 07:47:20,777 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:47:20,777 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:20,777 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:20,777 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:47:20,777 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:20,778 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:20,778 INFO  L85        PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times
[2023-11-19 07:47:20,778 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:20,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913062293]
[2023-11-19 07:47:20,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:20,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:20,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:20,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:20,830 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:20,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913062293]
[2023-11-19 07:47:20,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913062293] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:20,830 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:20,831 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:47:20,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228295516]
[2023-11-19 07:47:20,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:20,831 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:47:20,832 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:20,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:47:20,833 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:47:20,833 INFO  L87              Difference]: Start difference. First operand 23 states and 27 transitions. Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2023-11-19 07:47:20,876 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:20,877 INFO  L93              Difference]: Finished difference Result 23 states and 27 transitions.
[2023-11-19 07:47:20,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:47:20,878 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), 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) Word has length 6
[2023-11-19 07:47:20,878 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:20,880 INFO  L225             Difference]: With dead ends: 23
[2023-11-19 07:47:20,880 INFO  L226             Difference]: Without dead ends: 22
[2023-11-19 07:47:20,881 INFO  L412           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
[2023-11-19 07:47:20,882 INFO  L413           NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:20,883 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:47:20,884 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2023-11-19 07:47:20,887 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2023-11-19 07:47:20,888 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 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)
[2023-11-19 07:47:20,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2023-11-19 07:47:20,889 INFO  L78                 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 6
[2023-11-19 07:47:20,889 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:20,889 INFO  L495      AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2023-11-19 07:47:20,889 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2023-11-19 07:47:20,890 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2023-11-19 07:47:20,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 07:47:20,893 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:20,893 INFO  L195           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:20,893 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:47:20,894 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:20,895 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:20,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -1326221127, now seen corresponding path program 1 times
[2023-11-19 07:47:20,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:20,897 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161557260]
[2023-11-19 07:47:20,897 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:20,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:20,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:21,001 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:21,001 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:21,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161557260]
[2023-11-19 07:47:21,002 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161557260] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:21,002 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:21,002 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:47:21,002 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967879144]
[2023-11-19 07:47:21,002 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:21,003 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:47:21,003 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:21,004 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:47:21,004 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:47:21,004 INFO  L87              Difference]: Start difference. First operand 22 states and 26 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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)
[2023-11-19 07:47:21,050 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:21,050 INFO  L93              Difference]: Finished difference Result 44 states and 54 transitions.
[2023-11-19 07:47:21,051 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:47:21,051 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10
[2023-11-19 07:47:21,052 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:21,052 INFO  L225             Difference]: With dead ends: 44
[2023-11-19 07:47:21,052 INFO  L226             Difference]: Without dead ends: 27
[2023-11-19 07:47:21,053 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:47:21,056 INFO  L413           NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:21,057 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 15 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:47:21,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2023-11-19 07:47:21,063 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2023-11-19 07:47:21,063 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 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)
[2023-11-19 07:47:21,064 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions.
[2023-11-19 07:47:21,064 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 10
[2023-11-19 07:47:21,064 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:21,065 INFO  L495      AbstractCegarLoop]: Abstraction has 27 states and 32 transitions.
[2023-11-19 07:47:21,065 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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)
[2023-11-19 07:47:21,065 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions.
[2023-11-19 07:47:21,066 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 07:47:21,066 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:21,066 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:21,066 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:47:21,066 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:21,067 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:21,067 INFO  L85        PathProgramCache]: Analyzing trace with hash 889642446, now seen corresponding path program 1 times
[2023-11-19 07:47:21,067 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:21,067 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387455667]
[2023-11-19 07:47:21,068 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:21,068 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:21,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:21,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:21,095 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:21,096 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387455667]
[2023-11-19 07:47:21,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387455667] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:21,096 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:21,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:47:21,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061400327]
[2023-11-19 07:47:21,097 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:21,097 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:47:21,097 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:21,098 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:47:21,098 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:47:21,099 INFO  L87              Difference]: Start difference. First operand 27 states and 32 transitions. Second operand  has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2023-11-19 07:47:21,131 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:21,131 INFO  L93              Difference]: Finished difference Result 27 states and 32 transitions.
[2023-11-19 07:47:21,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:47:21,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10
[2023-11-19 07:47:21,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:21,133 INFO  L225             Difference]: With dead ends: 27
[2023-11-19 07:47:21,133 INFO  L226             Difference]: Without dead ends: 26
[2023-11-19 07:47:21,134 INFO  L412           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
[2023-11-19 07:47:21,135 INFO  L413           NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:21,136 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 14 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:47:21,137 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2023-11-19 07:47:21,142 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2023-11-19 07:47:21,143 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 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)
[2023-11-19 07:47:21,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions.
[2023-11-19 07:47:21,144 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 10
[2023-11-19 07:47:21,144 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:21,144 INFO  L495      AbstractCegarLoop]: Abstraction has 26 states and 31 transitions.
[2023-11-19 07:47:21,145 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2023-11-19 07:47:21,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2023-11-19 07:47:21,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-11-19 07:47:21,147 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:47:21,149 INFO  L195           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:21,150 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:47:21,150 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2023-11-19 07:47:21,151 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:21,157 INFO  L85        PathProgramCache]: Analyzing trace with hash 966435069, now seen corresponding path program 1 times
[2023-11-19 07:47:21,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:47:21,158 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712931561]
[2023-11-19 07:47:21,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:21,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:47:21,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:21,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:47:21,253 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:47:21,253 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712931561]
[2023-11-19 07:47:21,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712931561] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:21,253 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:21,254 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:47:21,254 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299278193]
[2023-11-19 07:47:21,254 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:21,254 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:47:21,254 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:47:21,255 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:47:21,255 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:47:21,256 INFO  L87              Difference]: Start difference. First operand 26 states and 31 transitions. Second operand  has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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)
[2023-11-19 07:47:21,335 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:21,335 INFO  L93              Difference]: Finished difference Result 26 states and 31 transitions.
[2023-11-19 07:47:21,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:47:21,335 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12
[2023-11-19 07:47:21,336 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:21,336 INFO  L225             Difference]: With dead ends: 26
[2023-11-19 07:47:21,336 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:47:21,336 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:47:21,337 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 24 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:21,338 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 4 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:47:21,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:47:21,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:47:21,339 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)
[2023-11-19 07:47:21,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:47:21,340 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2023-11-19 07:47:21,340 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:21,340 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:47:21,340 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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)
[2023-11-19 07:47:21,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:47:21,340 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:47:21,343 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2023-11-19 07:47:21,344 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2023-11-19 07:47:21,344 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2023-11-19 07:47:21,344 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2023-11-19 07:47:21,344 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2023-11-19 07:47:21,344 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2023-11-19 07:47:21,345 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2023-11-19 07:47:21,345 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2023-11-19 07:47:21,345 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:47:21,347 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:47:21,379 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed.
[2023-11-19 07:47:21,379 INFO  L899   garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2023-11-19 07:47:21,380 INFO  L899   garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2023-11-19 07:47:21,380 INFO  L899   garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed.
[2023-11-19 07:47:21,380 INFO  L899   garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed.
[2023-11-19 07:47:21,380 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 5 25) no Hoare annotation was computed.
[2023-11-19 07:47:21,380 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2023-11-19 07:47:21,380 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:47:21,381 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed.
[2023-11-19 07:47:21,381 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed.
[2023-11-19 07:47:21,381 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:47:21,381 INFO  L899   garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed.
[2023-11-19 07:47:21,381 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed.
[2023-11-19 07:47:21,381 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point L17-1(line 17) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point L9-2(lines 9 22) no Hoare annotation was computed.
[2023-11-19 07:47:21,382 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed.
[2023-11-19 07:47:21,383 INFO  L899   garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed.
[2023-11-19 07:47:21,383 INFO  L895   garLoopResultBuilder]: At program point L18-2(lines 9 22) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)))
[2023-11-19 07:47:21,383 INFO  L899   garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed.
[2023-11-19 07:47:21,383 INFO  L899   garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed.
[2023-11-19 07:47:21,384 INFO  L899   garLoopResultBuilder]: For program point L10(lines 10 21) no Hoare annotation was computed.
[2023-11-19 07:47:21,384 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2023-11-19 07:47:21,387 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:21,390 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:47:21,403 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:21 BoogieIcfgContainer
[2023-11-19 07:47:21,403 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:47:21,404 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:47:21,404 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:47:21,404 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:47:21,405 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:19" (3/4) ...
[2023-11-19 07:47:21,407 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:47:21,416 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:47:21,416 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:47:21,417 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-19 07:47:21,512 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:47:21,512 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:47:21,513 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:47:21,513 INFO  L158              Benchmark]: Toolchain (without parser) took 2421.35ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 42.1MB in the end (delta: 64.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB.
[2023-11-19 07:47:21,514 INFO  L158              Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:47:21,514 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 270.90ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 96.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-19 07:47:21,514 INFO  L158              Benchmark]: Boogie Procedure Inliner took 32.01ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:47:21,515 INFO  L158              Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.5MB in the end (delta: 999.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:47:21,515 INFO  L158              Benchmark]: RCFGBuilder took 413.35ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 106.6MB in the end (delta: -12.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:47:21,516 INFO  L158              Benchmark]: TraceAbstraction took 1560.99ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 46.3MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB.
[2023-11-19 07:47:21,516 INFO  L158              Benchmark]: Witness Printer took 108.86ms. Allocated memory is still 142.6MB. Free memory was 46.3MB in the beginning and 42.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:47:21,518 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 270.90ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 96.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 32.01ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 25.67ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 94.5MB in the end (delta: 999.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 413.35ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 106.6MB in the end (delta: -12.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1560.99ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 46.3MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB.
 * Witness Printer took 108.86ms. Allocated memory is still 142.6MB. Free memory was 46.3MB in the beginning and 42.1MB in the end (delta: 4.2MB). 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: 11]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 11]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 14]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 14]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 17]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 17]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 19]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 19]: 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 1 procedures, 27 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 72 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 4 NumberOfFragments, 9 HoareAnnotationTreeSize, 1 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 4/4 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
    8 specifications checked. All of them hold
  - InvariantResult [Line: 9]: Loop Invariant
    Derived loop invariant: ((i <= 2147483647) && (0 <= (i + 2147483648)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:47:21,557 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91847620-c867-4910-aa51-43899ec36788/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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