./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array18_alloca.i --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_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/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_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-15/array18_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/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_74823f32-224b-4934-8075-08acdc2dc4ea/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 91342ec879332f5d2cf6840d919ddc3d2a815377394d5610d880c093520bd843
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:57:03,860 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:57:03,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:57:03,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:57:03,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:57:04,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:57:04,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:57:04,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:57:04,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:57:04,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:57:04,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:57:04,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:57:04,039 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:57:04,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:57:04,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:57:04,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:57:04,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:57:04,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:57:04,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:57:04,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:57:04,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:57:04,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:57:04,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:57:04,047 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:57:04,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:57:04,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:57:04,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:57:04,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:57:04,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:57:04,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:57:04,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:57:04,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:57:04,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:57:04,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:57:04,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:57:04,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:57:04,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:57:04,054 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:57:04,055 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_74823f32-224b-4934-8075-08acdc2dc4ea/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91342ec879332f5d2cf6840d919ddc3d2a815377394d5610d880c093520bd843
[2023-11-19 07:57:04,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:57:04,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:57:04,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:57:04,429 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:57:04,430 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:57:04,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-15/array18_alloca.i
[2023-11-19 07:57:07,601 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:57:07,894 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:57:07,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/sv-benchmarks/c/termination-15/array18_alloca.i
[2023-11-19 07:57:07,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/data/21bff9f67/b2634bd1c7d447c490066ba17787e227/FLAG03bedfd27
[2023-11-19 07:57:07,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/data/21bff9f67/b2634bd1c7d447c490066ba17787e227
[2023-11-19 07:57:07,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:57:07,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:57:07,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:57:07,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:57:07,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:57:07,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:07" (1/1) ...
[2023-11-19 07:57:07,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df7242d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:07, skipping insertion in model container
[2023-11-19 07:57:07,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:07" (1/1) ...
[2023-11-19 07:57:07,975 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:57:08,272 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:57:08,283 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:57:08,322 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:57:08,356 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:57:08,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08 WrapperNode
[2023-11-19 07:57:08,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:57:08,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:57:08,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:57:08,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:57:08,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,398 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56
[2023-11-19 07:57:08,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:57:08,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:57:08,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:57:08,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:57:08,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:57:08,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:57:08,422 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:57:08,422 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:57:08,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (1/1) ...
[2023-11-19 07:57:08,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:57:08,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:08,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:57:08,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:57:08,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:57:08,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:57:08,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:57:08,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:57:08,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:57:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:57:08,621 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:57:08,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:57:08,859 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:57:08,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:57:08,866 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:57:08,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:08 BoogieIcfgContainer
[2023-11-19 07:57:08,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:57:08,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:57:08,873 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:57:08,879 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:57:08,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:07" (1/3) ...
[2023-11-19 07:57:08,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7809bfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:08, skipping insertion in model container
[2023-11-19 07:57:08,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:08" (2/3) ...
[2023-11-19 07:57:08,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7809bfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:08, skipping insertion in model container
[2023-11-19 07:57:08,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:08" (3/3) ...
[2023-11-19 07:57:08,886 INFO L112 eAbstractionObserver]: Analyzing ICFG array18_alloca.i
[2023-11-19 07:57:08,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:57:08,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-19 07:57:08,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:57:08,979 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;@7727921e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:57:08,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2023-11-19 07:57:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 25 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 07:57:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:57:08,992 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:08,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:08,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:09,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash -591637654, now seen corresponding path program 1 times
[2023-11-19 07:57:09,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:09,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839793157]
[2023-11-19 07:57:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:09,198 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 07:57:09,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:09,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839793157]
[2023-11-19 07:57:09,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839793157] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:09,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:09,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:57:09,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024059867]
[2023-11-19 07:57:09,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:09,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:57:09,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:09,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:57:09,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:57:09,238 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 25 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 07:57:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:09,259 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions.
[2023-11-19 07:57:09,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:57:09,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2023-11-19 07:57:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:09,269 INFO L225 Difference]: With dead ends: 40
[2023-11-19 07:57:09,270 INFO L226 Difference]: Without dead ends: 22
[2023-11-19 07:57:09,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:57:09,276 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:09,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2023-11-19 07:57:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2023-11-19 07:57:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5625) internal successors, (25), 21 states have internal predecessors, (25), 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 07:57:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions.
[2023-11-19 07:57:09,312 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 9
[2023-11-19 07:57:09,312 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:09,312 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions.
[2023-11-19 07:57:09,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 07:57:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions.
[2023-11-19 07:57:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:57:09,314 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:09,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:09,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:57:09,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:09,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:09,315 INFO L85 PathProgramCache]: Analyzing trace with hash -592084519, now seen corresponding path program 1 times
[2023-11-19 07:57:09,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:09,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582153161]
[2023-11-19 07:57:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:09,461 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 07:57:09,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:09,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582153161]
[2023-11-19 07:57:09,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582153161] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:09,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:09,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:57:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063297613]
[2023-11-19 07:57:09,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:09,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:57:09,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:09,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:57:09,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:57:09,472 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 07:57:09,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:09,528 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions.
[2023-11-19 07:57:09,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:57:09,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9
[2023-11-19 07:57:09,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:09,532 INFO L225 Difference]: With dead ends: 39
[2023-11-19 07:57:09,532 INFO L226 Difference]: Without dead ends: 29
[2023-11-19 07:57:09,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 07:57:09,535 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:09,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 34 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2023-11-19 07:57:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23.
[2023-11-19 07:57:09,546 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 07:57:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions.
[2023-11-19 07:57:09,548 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 9
[2023-11-19 07:57:09,548 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:09,548 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions.
[2023-11-19 07:57:09,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 07:57:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions.
[2023-11-19 07:57:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:57:09,549 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:09,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:09,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:57:09,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:09,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:09,551 INFO L85 PathProgramCache]: Analyzing trace with hash -592037013, now seen corresponding path program 1 times
[2023-11-19 07:57:09,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:09,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617291236]
[2023-11-19 07:57:09,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:09,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:09,682 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 07:57:09,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:09,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617291236]
[2023-11-19 07:57:09,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617291236] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:09,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:57:09,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:57:09,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130198010]
[2023-11-19 07:57:09,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:09,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:57:09,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:09,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:57:09,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:57:09,687 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 07:57:09,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:09,760 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions.
[2023-11-19 07:57:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:57:09,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9
[2023-11-19 07:57:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:09,764 INFO L225 Difference]: With dead ends: 29
[2023-11-19 07:57:09,764 INFO L226 Difference]: Without dead ends: 27
[2023-11-19 07:57:09,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 07:57:09,769 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 55 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 07:57:09,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 55 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2023-11-19 07:57:09,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2023-11-19 07:57:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 26 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 07:57:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions.
[2023-11-19 07:57:09,784 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 9
[2023-11-19 07:57:09,785 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:09,787 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions.
[2023-11-19 07:57:09,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 07:57:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions.
[2023-11-19 07:57:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:57:09,790 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:09,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:09,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:57:09,793 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:09,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:09,795 INFO L85 PathProgramCache]: Analyzing trace with hash 219985863, now seen corresponding path program 1 times
[2023-11-19 07:57:09,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:09,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454219255]
[2023-11-19 07:57:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:09,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:10,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454219255]
[2023-11-19 07:57:10,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454219255] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:57:10,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501688825]
[2023-11-19 07:57:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:10,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:10,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:10,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:57:10,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:57:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:10,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:57:10,459 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:57:10,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2023-11-19 07:57:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:10,711 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:57:10,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14
[2023-11-19 07:57:10,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14
[2023-11-19 07:57:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:10,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501688825] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:57:10,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:57:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14
[2023-11-19 07:57:10,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761587732]
[2023-11-19 07:57:10,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:57:10,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-19 07:57:10,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:10,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-19 07:57:10,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210
[2023-11-19 07:57:10,871 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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 07:57:11,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:11,239 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions.
[2023-11-19 07:57:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-11-19 07:57:11,240 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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 14
[2023-11-19 07:57:11,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:11,244 INFO L225 Difference]: With dead ends: 58
[2023-11-19 07:57:11,244 INFO L226 Difference]: Without dead ends: 54
[2023-11-19 07:57:11,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600
[2023-11-19 07:57:11,250 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 140 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:11,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 75 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:57:11,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:57:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39.
[2023-11-19 07:57:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 38 states have internal predecessors, (44), 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 07:57:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions.
[2023-11-19 07:57:11,265 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14
[2023-11-19 07:57:11,266 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:11,266 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions.
[2023-11-19 07:57:11,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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 07:57:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions.
[2023-11-19 07:57:11,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:57:11,267 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:11,267 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:11,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:57:11,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:11,476 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:11,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:11,476 INFO L85 PathProgramCache]: Analyzing trace with hash 220033369, now seen corresponding path program 1 times
[2023-11-19 07:57:11,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:11,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069680569]
[2023-11-19 07:57:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:11,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:11,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069680569]
[2023-11-19 07:57:11,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069680569] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:57:11,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227984029]
[2023-11-19 07:57:11,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:11,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:11,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:11,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:57:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:57:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:11,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:57:11,647 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:57:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:11,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:57:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227984029] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:11,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:57:11,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10
[2023-11-19 07:57:11,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463589400]
[2023-11-19 07:57:11,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:11,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:11,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:11,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:11,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:57:11,733 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 07:57:11,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:11,785 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions.
[2023-11-19 07:57:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:57:11,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 14
[2023-11-19 07:57:11,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:11,787 INFO L225 Difference]: With dead ends: 88
[2023-11-19 07:57:11,788 INFO L226 Difference]: Without dead ends: 69
[2023-11-19 07:57:11,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2023-11-19 07:57:11,789 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:11,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 59 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:11,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-11-19 07:57:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 51.
[2023-11-19 07:57:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 50 states have internal predecessors, (57), 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 07:57:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions.
[2023-11-19 07:57:11,818 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 14
[2023-11-19 07:57:11,819 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:11,819 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions.
[2023-11-19 07:57:11,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 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 07:57:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions.
[2023-11-19 07:57:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-19 07:57:11,824 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:11,824 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:11,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:57:12,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:12,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:12,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:12,048 INFO L85 PathProgramCache]: Analyzing trace with hash 478198807, now seen corresponding path program 1 times
[2023-11-19 07:57:12,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:12,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118053003]
[2023-11-19 07:57:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:12,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:12,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:57:12,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118053003]
[2023-11-19 07:57:12,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118053003] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:57:12,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313365857]
[2023-11-19 07:57:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:12,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:12,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:57:12,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:57:12,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:57:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:57:12,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:57:12,253 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:57:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:57:12,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:57:12,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313365857] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:57:12,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:57:12,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-19 07:57:12,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040038255]
[2023-11-19 07:57:12,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:57:12,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:57:12,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:57:12,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:57:12,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:57:12,308 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 07:57:12,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:57:12,371 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions.
[2023-11-19 07:57:12,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-19 07:57:12,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14
[2023-11-19 07:57:12,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:57:12,374 INFO L225 Difference]: With dead ends: 51
[2023-11-19 07:57:12,374 INFO L226 Difference]: Without dead ends: 50
[2023-11-19 07:57:12,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:57:12,376 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 20 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:57:12,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 61 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:57:12,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2023-11-19 07:57:12,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2023-11-19 07:57:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 49 states have internal predecessors, (56), 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 07:57:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions.
[2023-11-19 07:57:12,391 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 14
[2023-11-19 07:57:12,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:57:12,391 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions.
[2023-11-19 07:57:12,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 07:57:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions.
[2023-11-19 07:57:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 07:57:12,393 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:57:12,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:12,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:57:12,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:57:12,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-19 07:57:12,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:57:12,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1090314389, now seen corresponding path program 1 times
[2023-11-19 07:57:12,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:57:12,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877759003]
[2023-11-19 07:57:12,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:57:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:57:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:57:12,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:57:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:57:12,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:57:12,684 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:57:12,685 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2023-11-19 07:57:12,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2023-11-19 07:57:12,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2023-11-19 07:57:12,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2023-11-19 07:57:12,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2023-11-19 07:57:12,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2023-11-19 07:57:12,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:57:12,694 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:57:12,699 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:57:12,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated
[2023-11-19 07:57:12,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
[2023-11-19 07:57:12,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,726 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,727 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
[2023-11-19 07:57:12,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:12 BoogieIcfgContainer
[2023-11-19 07:57:12,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:57:12,739 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:57:12,739 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:57:12,739 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:57:12,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:08" (3/4) ...
[2023-11-19 07:57:12,741 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2023-11-19 07:57:12,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated
[2023-11-19 07:57:12,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
[2023-11-19 07:57:12,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206
[2023-11-19 07:57:12,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
[2023-11-19 07:57:12,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:57:12,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:57:12,797 INFO L158 Benchmark]: Toolchain (without parser) took 4873.08ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 74.8MB in the end (delta: 85.6MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB.
[2023-11-19 07:57:12,797 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:57:12,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.15ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 143.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-19 07:57:12,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 195.0MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:57:12,798 INFO L158 Benchmark]: Boogie Preprocessor took 22.15ms. Allocated memory is still 195.0MB. Free memory was 141.5MB in the beginning and 140.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:57:12,799 INFO L158 Benchmark]: RCFGBuilder took 447.76ms. Allocated memory is still 195.0MB. Free memory was 140.5MB in the beginning and 128.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:57:12,799 INFO L158 Benchmark]: TraceAbstraction took 3865.99ms. Allocated memory is still 195.0MB. Free memory was 127.9MB in the beginning and 77.9MB in the end (delta: 50.0MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB.
[2023-11-19 07:57:12,800 INFO L158 Benchmark]: Witness Printer took 57.30ms. Allocated memory is still 195.0MB. Free memory was 77.9MB in the beginning and 74.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:57:12,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 432.15ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 143.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.55ms. Allocated memory is still 195.0MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 22.15ms. Allocated memory is still 195.0MB. Free memory was 141.5MB in the beginning and 140.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 447.76ms. Allocated memory is still 195.0MB. Free memory was 140.5MB in the beginning and 128.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 3865.99ms. Allocated memory is still 195.0MB. Free memory was 127.9MB in the beginning and 77.9MB in the end (delta: 50.0MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB.
* Witness Printer took 57.30ms. Allocated memory is still 195.0MB. Free memory was 77.9MB in the beginning and 74.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~malloc206
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* 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
- CounterExampleResult [Line: 378]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L365] int i, j;
[L366] int length = __VERIFIER_nondet_int();
[L367] COND TRUE length < 1
[L367] length = 1
VAL [length=1]
[L368] int *arr = __builtin_alloca(length*sizeof(int));
VAL [arr={2:0}, length=1]
[L369] COND FALSE !(!arr)
[L370] i=0
VAL [arr={2:0}, i=0, length=1]
[L370] COND TRUE i<length
[L371] arr[i] = __VERIFIER_nondet_int()
[L372] EXPR arr[i]
VAL [arr={2:0}, i=0, length=1]
[L372] COND FALSE !(arr[i] < 0)
[L370] i++
VAL [arr={2:0}, i=1, length=1]
[L370] COND FALSE !(i<length)
VAL [arr={2:0}, i=1, length=1]
[L376] j = 0
VAL [arr={2:0}, i=1, j=0, length=1]
[L377] COND TRUE 0 <= j && j < length
[L378] EXPR arr[j]
VAL [arr={2:0}, i=1, j=0, length=1]
[L378] arr[j] + 1
VAL [arr={2:0}, i=1, j=0, length=1]
- UnprovableResult [Line: 370]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 370]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 378]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 378]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 378]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 197 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 208 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 117 mSDtfsCounter, 208 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=5, InterpolantAutomatonStates: 39, 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, 6 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 13 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 8/19 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
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:57:12,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74823f32-224b-4934-8075-08acdc2dc4ea/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)