./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version cf1a7837
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_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl --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 aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-cf1a783
[2023-11-12 02:19:09,486 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-12 02:19:09,615 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-12 02:19:09,620 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-12 02:19:09,621 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-12 02:19:09,682 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-12 02:19:09,683 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-12 02:19:09,684 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-12 02:19:09,686 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-12 02:19:09,691 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-12 02:19:09,693 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-12 02:19:09,693 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-12 02:19:09,694 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-12 02:19:09,696 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-12 02:19:09,696 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-12 02:19:09,697 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-12 02:19:09,697 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-12 02:19:09,698 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-12 02:19:09,698 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-12 02:19:09,699 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-12 02:19:09,699 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-12 02:19:09,700 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-12 02:19:09,700 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-12 02:19:09,701 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-12 02:19:09,702 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-12 02:19:09,702 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-12 02:19:09,703 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-12 02:19:09,703 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:19:09,704 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-12 02:19:09,704 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-12 02:19:09,706 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-12 02:19:09,706 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-12 02:19:09,707 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-12 02:19:09,707 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-12 02:19:09,707 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-12 02:19:09,708 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-12 02:19:09,708 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-12 02:19:09,708 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-12 02:19:09,709 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_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/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_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl
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 -> aa5b18db61e20df22a3fcdc42f8106df80a77f1c4c325b98c7e459a148199d39
[2023-11-12 02:19:10,074 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-12 02:19:10,105 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-12 02:19:10,108 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-12 02:19:10,109 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-12 02:19:10,110 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-12 02:19:10,112 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i
[2023-11-12 02:19:13,307 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-12 02:19:13,644 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-12 02:19:13,644 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i
[2023-11-12 02:19:13,659 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/data/cb64ad9f8/55cccb34eba9447284874fbbaef358cb/FLAG59c0a01a2
[2023-11-12 02:19:13,674 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/data/cb64ad9f8/55cccb34eba9447284874fbbaef358cb
[2023-11-12 02:19:13,676 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-12 02:19:13,678 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-12 02:19:13,680 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-12 02:19:13,680 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-12 02:19:13,685 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-12 02:19:13,686 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:13" (1/1) ...
[2023-11-12 02:19:13,687 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4082eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:13, skipping insertion in model container
[2023-11-12 02:19:13,687 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:13" (1/1) ...
[2023-11-12 02:19:13,725 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-12 02:19:14,025 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:19:14,032 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-12 02:19:14,086 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:19:14,122 INFO  L206         MainTranslator]: Completed translation
[2023-11-12 02:19:14,122 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14 WrapperNode
[2023-11-12 02:19:14,123 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-12 02:19:14,124 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-12 02:19:14,125 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-12 02:19:14,125 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-12 02:19:14,134 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,155 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,177 INFO  L138                Inliner]: procedures = 104, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11
[2023-11-12 02:19:14,178 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-12 02:19:14,178 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-12 02:19:14,179 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-12 02:19:14,179 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-12 02:19:14,189 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,189 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,198 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,198 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,201 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,202 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,204 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,204 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,206 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-12 02:19:14,207 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-12 02:19:14,207 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-12 02:19:14,208 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-12 02:19:14,209 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (1/1) ...
[2023-11-12 02:19:14,215 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:19:14,230 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:19:14,246 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-12 02:19:14,277 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-12 02:19:14,294 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-12 02:19:14,294 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-12 02:19:14,406 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-12 02:19:14,409 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-12 02:19:14,495 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-12 02:19:14,502 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-12 02:19:14,502 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-12 02:19:14,509 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:14 BoogieIcfgContainer
[2023-11-12 02:19:14,509 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-12 02:19:14,513 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-12 02:19:14,513 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-12 02:19:14,517 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-12 02:19:14,517 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:13" (1/3) ...
[2023-11-12 02:19:14,518 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278dcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:14, skipping insertion in model container
[2023-11-12 02:19:14,518 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:14" (2/3) ...
[2023-11-12 02:19:14,519 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278dcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:14, skipping insertion in model container
[2023-11-12 02:19:14,519 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:14" (3/3) ...
[2023-11-12 02:19:14,520 INFO  L112   eAbstractionObserver]: Analyzing ICFG IntegerPromotion-1.i
[2023-11-12 02:19:14,542 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-12 02:19:14,543 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-12 02:19:14,597 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-12 02:19:14,604 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;@4c83cd64, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-12 02:19:14,604 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-12 02:19:14,609 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 13 states, 8 states have (on average 1.5) internal successors, (12), 12 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)
[2023-11-12 02:19:14,615 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-12 02:19:14,615 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:19:14,616 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-12 02:19:14,616 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-12 02:19:14,622 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:14,623 INFO  L85        PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times
[2023-11-12 02:19:14,634 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:14,634 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610594449]
[2023-11-12 02:19:14,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:14,635 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:14,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:14,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:19:14,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:14,799 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610594449]
[2023-11-12 02:19:14,800 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610594449] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:14,800 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:14,800 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:19:14,802 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603166480]
[2023-11-12 02:19:14,803 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:14,807 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:19:14,807 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:14,838 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:19:14,839 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:19:14,842 INFO  L87              Difference]: Start difference. First operand  has 13 states, 8 states have (on average 1.5) internal successors, (12), 12 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) Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2023-11-12 02:19:14,877 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:14,877 INFO  L93              Difference]: Finished difference Result 13 states and 12 transitions.
[2023-11-12 02:19:14,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:19:14,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3
[2023-11-12 02:19:14,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:14,892 INFO  L225             Difference]: With dead ends: 13
[2023-11-12 02:19:14,892 INFO  L226             Difference]: Without dead ends: 8
[2023-11-12 02:19:14,895 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
[2023-11-12 02:19:14,899 INFO  L413           NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 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
[2023-11-12 02:19:14,901 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:19:14,921 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2023-11-12 02:19:14,931 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2023-11-12 02:19:14,932 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 7 states have internal predecessors, (7), 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)
[2023-11-12 02:19:14,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions.
[2023-11-12 02:19:14,934 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 3
[2023-11-12 02:19:14,935 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:14,935 INFO  L495      AbstractCegarLoop]: Abstraction has 8 states and 7 transitions.
[2023-11-12 02:19:14,935 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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)
[2023-11-12 02:19:14,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions.
[2023-11-12 02:19:14,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-12 02:19:14,936 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:19:14,936 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2023-11-12 02:19:14,937 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-12 02:19:14,937 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-12 02:19:14,938 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:14,938 INFO  L85        PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times
[2023-11-12 02:19:14,938 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:14,939 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053685666]
[2023-11-12 02:19:14,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:14,939 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:14,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:14,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:19:14,971 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:14,971 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053685666]
[2023-11-12 02:19:14,971 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053685666] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:14,972 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:14,972 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:19:14,972 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194620901]
[2023-11-12 02:19:14,972 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:14,973 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:19:14,973 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:14,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:19:14,974 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:19:14,974 INFO  L87              Difference]: Start difference. First operand 8 states and 7 transitions. Second operand  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2023-11-12 02:19:14,982 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:14,983 INFO  L93              Difference]: Finished difference Result 8 states and 7 transitions.
[2023-11-12 02:19:14,983 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:19:14,984 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2023-11-12 02:19:14,984 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:14,984 INFO  L225             Difference]: With dead ends: 8
[2023-11-12 02:19:14,984 INFO  L226             Difference]: Without dead ends: 0
[2023-11-12 02:19:14,985 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
[2023-11-12 02:19:14,987 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:14,988 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:19:14,989 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-12 02:19:14,989 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-12 02:19:14,990 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)
[2023-11-12 02:19:14,990 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-12 02:19:14,990 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4
[2023-11-12 02:19:14,991 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:14,991 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-12 02:19:14,991 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2023-11-12 02:19:14,992 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-12 02:19:14,992 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-12 02:19:14,994 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-12 02:19:14,995 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-12 02:19:14,996 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-12 02:19:14,996 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-12 02:19:14,997 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-12 02:19:14,999 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-12 02:19:15,003 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,004 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:15,004 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:15,004 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,004 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,005 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,005 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:15,005 INFO  L899   garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,005 INFO  L899   garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,006 INFO  L899   garLoopResultBuilder]: For program point L333-2(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,006 INFO  L899   garLoopResultBuilder]: For program point L333-3(line 333) no Hoare annotation was computed.
[2023-11-12 02:19:15,006 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:15,006 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 331 336) no Hoare annotation was computed.
[2023-11-12 02:19:15,010 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-12 02:19:15,013 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-12 02:19:15,018 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:19:15 BoogieIcfgContainer
[2023-11-12 02:19:15,019 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-12 02:19:15,020 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-12 02:19:15,020 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-12 02:19:15,020 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-12 02:19:15,021 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:14" (3/4) ...
[2023-11-12 02:19:15,023 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-12 02:19:15,032 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-12 02:19:15,033 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-12 02:19:15,033 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-12 02:19:15,115 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml
[2023-11-12 02:19:15,116 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/witness.yml
[2023-11-12 02:19:15,116 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-12 02:19:15,117 INFO  L158              Benchmark]: Toolchain (without parser) took 1439.23ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 94.1MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB.
[2023-11-12 02:19:15,118 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-12 02:19:15,119 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 443.73ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 134.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-12 02:19:15,129 INFO  L158              Benchmark]: Boogie Procedure Inliner took 53.71ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 133.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-12 02:19:15,129 INFO  L158              Benchmark]: Boogie Preprocessor took 27.65ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 132.3MB in the end (delta: 842.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-12 02:19:15,131 INFO  L158              Benchmark]: RCFGBuilder took 302.35ms. Allocated memory is still 180.4MB. Free memory was 132.3MB in the beginning and 123.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-12 02:19:15,131 INFO  L158              Benchmark]: TraceAbstraction took 506.29ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 98.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-11-12 02:19:15,132 INFO  L158              Benchmark]: Witness Printer took 96.96ms. Allocated memory is still 180.4MB. Free memory was 97.9MB in the beginning and 94.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-12 02:19:15,138 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 443.73ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 134.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 53.71ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 133.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 27.65ms. Allocated memory is still 180.4MB. Free memory was 133.1MB in the beginning and 132.3MB in the end (delta: 842.1kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 302.35ms. Allocated memory is still 180.4MB. Free memory was 132.3MB in the beginning and 123.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 506.29ms. Allocated memory is still 180.4MB. Free memory was 122.7MB in the beginning and 98.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * Witness Printer took 96.96ms. Allocated memory is still 180.4MB. Free memory was 97.9MB in the beginning and 94.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. 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: 333]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 333]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 333]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 333]: 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
    4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-12 02:19:15,169 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0854397d-84ca-46a9-988a-80dd5a79cc01/bin/uautomizer-verify-uTZkv6EMXl/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