./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0568d11f1ee970af57899a335ec74cbcaa52bf37ceadcf747199b0f868955b00
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-09 07:16:53,007 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-09 07:16:53,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf
[2024-11-09 07:16:53,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 07:16:53,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 07:16:53,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 07:16:53,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 07:16:53,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 07:16:53,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 07:16:53,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 07:16:53,116 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-09 07:16:53,117 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 07:16:53,117 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-09 07:16:53,118 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 07:16:53,118 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-09 07:16:53,118 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-09 07:16:53,119 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 07:16:53,119 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2024-11-09 07:16:53,119 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-09 07:16:53,120 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 07:16:53,120 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2024-11-09 07:16:53,121 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2024-11-09 07:16:53,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 07:16:53,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-09 07:16:53,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-09 07:16:53,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-09 07:16:53,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 07:16:53,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 07:16:53,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 07:16:53,124 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-09 07:16:53,125 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-09 07:16:53,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-09 07:16:53,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-09 07:16:53,126 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-09 07:16:53,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 07:16:53,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 07:16:53,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-09 07:16:53,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 07:16:53,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 07:16:53,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 07:16:53,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 07:16:53,129 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 07:16:53,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 07:16:53,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 07:16:53,130 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-09 07:16:53,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 07:16:53,131 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
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_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0568d11f1ee970af57899a335ec74cbcaa52bf37ceadcf747199b0f868955b00
[2024-11-09 07:16:53,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 07:16:53,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 07:16:53,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 07:16:53,489 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-09 07:16:53,491 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-09 07:16:53,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c
Unable to find full path for "g++"
[2024-11-09 07:16:55,560 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-09 07:16:55,790 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-09 07:16:55,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c
[2024-11-09 07:16:55,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/data/3758201e6/ee1033cd195441d5a6409ad65ca5ec45/FLAG37dc6a798
[2024-11-09 07:16:56,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/data/3758201e6/ee1033cd195441d5a6409ad65ca5ec45
[2024-11-09 07:16:56,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 07:16:56,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 07:16:56,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 07:16:56,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 07:16:56,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 07:16:56,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f281000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56, skipping insertion in model container
[2024-11-09 07:16:56,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,193 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-09 07:16:56,428 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 07:16:56,434 INFO L200 MainTranslator]: Completed pre-run
[2024-11-09 07:16:56,447 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 07:16:56,464 INFO L204 MainTranslator]: Completed translation
[2024-11-09 07:16:56,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56 WrapperNode
[2024-11-09 07:16:56,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 07:16:56,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 07:16:56,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 07:16:56,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 07:16:56,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,498 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23
[2024-11-09 07:16:56,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 07:16:56,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 07:16:56,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 07:16:56,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 07:16:56,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 07:16:56,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 07:16:56,521 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 07:16:56,521 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-09 07:16:56,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (1/1) ...
[2024-11-09 07:16:56,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 07:16:56,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/z3
[2024-11-09 07:16:56,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-09 07:16:56,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-09 07:16:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 07:16:56,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 07:16:56,692 INFO L238 CfgBuilder]: Building ICFG
[2024-11-09 07:16:56,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 07:16:56,824 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-09 07:16:56,824 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-09 07:16:56,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 07:16:56,860 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-09 07:16:56,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:56 BoogieIcfgContainer
[2024-11-09 07:16:56,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 07:16:56,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 07:16:56,865 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 07:16:56,868 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-09 07:16:56,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:16:56" (1/3) ...
[2024-11-09 07:16:56,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c4d6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:56, skipping insertion in model container
[2024-11-09 07:16:56,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:56" (2/3) ...
[2024-11-09 07:16:56,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c4d6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:56, skipping insertion in model container
[2024-11-09 07:16:56,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:56" (3/3) ...
[2024-11-09 07:16:56,873 INFO L112 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Fig1.c
[2024-11-09 07:16:56,893 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 07:16:56,894 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-09 07:16:56,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 07:16:56,967 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@4364e041, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 07:16:56,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-09 07:16:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 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)
[2024-11-09 07:16:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-09 07:16:56,979 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 07:16:56,979 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-09 07:16:56,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-09 07:16:56,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 07:16:56,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1763788, now seen corresponding path program 1 times
[2024-11-09 07:16:57,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 07:16:57,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83286363]
[2024-11-09 07:16:57,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 07:16:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 07:16:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 07:16:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 07:16:57,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2024-11-09 07:16:57,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83286363]
[2024-11-09 07:16:57,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83286363] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 07:16:57,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 07:16:57,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 07:16:57,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534613976]
[2024-11-09 07:16:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 07:16:57,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 07:16:57,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2024-11-09 07:16:57,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 07:16:57,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 07:16:57,233 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) 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)
[2024-11-09 07:16:57,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 07:16:57,312 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions.
[2024-11-09 07:16:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 07:16:57,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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
[2024-11-09 07:16:57,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 07:16:57,329 INFO L225 Difference]: With dead ends: 13
[2024-11-09 07:16:57,329 INFO L226 Difference]: Without dead ends: 10
[2024-11-09 07:16:57,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-09 07:16:57,339 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 07:16:57,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 07:16:57,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-11-09 07:16:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2024-11-09 07:16:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 07:16:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2024-11-09 07:16:57,377 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4
[2024-11-09 07:16:57,378 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 07:16:57,378 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2024-11-09 07:16:57,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) 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)
[2024-11-09 07:16:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2024-11-09 07:16:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-09 07:16:57,380 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 07:16:57,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-09 07:16:57,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 07:16:57,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-09 07:16:57,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 07:16:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash 54677473, now seen corresponding path program 1 times
[2024-11-09 07:16:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-09 07:16:57,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437142753]
[2024-11-09 07:16:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 07:16:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 07:16:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 07:16:57,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-09 07:16:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-09 07:16:57,432 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2024-11-09 07:16:57,432 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-09 07:16:57,434 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-09 07:16:57,437 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-09 07:16:57,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-09 07:16:57,439 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-09 07:16:57,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 07:16:57,447 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-09 07:16:57,465 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-09 07:16:57,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:16:57 BoogieIcfgContainer
[2024-11-09 07:16:57,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-09 07:16:57,471 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-09 07:16:57,472 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-09 07:16:57,472 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-09 07:16:57,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:56" (3/4) ...
[2024-11-09 07:16:57,474 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-09 07:16:57,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/witness.graphml
[2024-11-09 07:16:57,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-09 07:16:57,507 INFO L158 Benchmark]: Toolchain (without parser) took 1347.70ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 98.6MB in the end (delta: 41.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB.
[2024-11-09 07:16:57,507 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 123.7MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 07:16:57,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.59ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 138.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-09 07:16:57,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.90ms. Allocated memory is still 172.0MB. Free memory was 138.5MB in the beginning and 137.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 07:16:57,513 INFO L158 Benchmark]: Boogie Preprocessor took 20.41ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 136.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-09 07:16:57,513 INFO L158 Benchmark]: RCFGBuilder took 341.23ms. Allocated memory is still 172.0MB. Free memory was 136.4MB in the beginning and 125.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-09 07:16:57,513 INFO L158 Benchmark]: TraceAbstraction took 605.28ms. Allocated memory is still 172.0MB. Free memory was 125.9MB in the beginning and 99.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-09 07:16:57,514 INFO L158 Benchmark]: Witness Printer took 34.63ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 98.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-09 07:16:57,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.64ms. Allocated memory is still 123.7MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 305.59ms. Allocated memory is still 172.0MB. Free memory was 139.8MB in the beginning and 138.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.90ms. Allocated memory is still 172.0MB. Free memory was 138.5MB in the beginning and 137.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.41ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 136.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 341.23ms. Allocated memory is still 172.0MB. Free memory was 136.4MB in the beginning and 125.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 605.28ms. Allocated memory is still 172.0MB. Free memory was 125.9MB in the beginning and 99.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 34.63ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 98.6MB in the end (delta: 1.1MB). 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
- CounterExampleResult [Line: 18]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L14] int q, y;
[L15] q = __VERIFIER_nondet_int()
[L16] y = __VERIFIER_nondet_int()
[L17] COND FALSE !(q > 0)
VAL [q=1, y=-2147483647]
[L17] COND TRUE q > 0
VAL [q=1, y=-2147483647]
[L18] q - y
- UnprovableResult [Line: 18]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 19]: 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-09 07:16:57,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21652d96-d3fb-4935-ab02-a49219f87166/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)