./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_6-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
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_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_6-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX --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 32bit --witnessprinter.graph.data.programhash 2840eb0df3fb03e559e6026082f47867e223bb9139d904bd7bbc08aa092abb71
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:26:05,219 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:26:05,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 16:26:05,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:26:05,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:26:05,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:26:05,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:26:05,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:26:05,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:26:05,378 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:26:05,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:26:05,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:26:05,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:26:05,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:26:05,381 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:26:05,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:26:05,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:26:05,383 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:26:05,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:26:05,384 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:26:05,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:26:05,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:26:05,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:26:05,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:26:05,392 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:26:05,393 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:26:05,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:26:05,394 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:26:05,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:26:05,398 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:26:05,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:26:05,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:26:05,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:26:05,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:26:05,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:26:05,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:26:05,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:26:05,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:26:05,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:26:05,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:26:05,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:26:05,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:26:05,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:26:05,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:26:05,407 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_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2840eb0df3fb03e559e6026082f47867e223bb9139d904bd7bbc08aa092abb71
[2024-11-08 16:26:05,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:26:05,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:26:05,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:26:05,807 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:26:05,807 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:26:05,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/bitvector/jain_6-2.c
Unable to find full path for "g++"
[2024-11-08 16:26:08,209 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:26:08,443 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:26:08,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/sv-benchmarks/c/bitvector/jain_6-2.c
[2024-11-08 16:26:08,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/data/0a90c3d66/43a29b9175d2486cb4c1b0e278270b6b/FLAG36aacc0d1
[2024-11-08 16:26:08,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/data/0a90c3d66/43a29b9175d2486cb4c1b0e278270b6b
[2024-11-08 16:26:08,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:26:08,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:26:08,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:26:08,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:26:08,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:26:08,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7b1c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08, skipping insertion in model container
[2024-11-08 16:26:08,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,525 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:26:08,775 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:26:08,787 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:26:08,807 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:26:08,831 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:26:08,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08 WrapperNode
[2024-11-08 16:26:08,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:26:08,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:26:08,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:26:08,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:26:08,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,872 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60
[2024-11-08 16:26:08,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:26:08,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:26:08,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:26:08,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:26:08,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,907 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 16:26:08,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:26:08,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:26:08,931 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:26:08,932 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:26:08,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (1/1) ...
[2024-11-08 16:26:08,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:26:08,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:26:08,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:26:08,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:26:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:26:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:26:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:26:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:26:09,078 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:26:09,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:26:09,341 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live.
[2024-11-08 16:26:09,341 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:26:09,359 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:26:09,359 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 16:26:09,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:09 BoogieIcfgContainer
[2024-11-08 16:26:09,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:26:09,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:26:09,363 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:26:09,368 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:26:09,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:26:08" (1/3) ...
[2024-11-08 16:26:09,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59630d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:09, skipping insertion in model container
[2024-11-08 16:26:09,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:08" (2/3) ...
[2024-11-08 16:26:09,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59630d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:26:09, skipping insertion in model container
[2024-11-08 16:26:09,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:09" (3/3) ...
[2024-11-08 16:26:09,372 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6-2.c
[2024-11-08 16:26:09,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:26:09,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations.
[2024-11-08 16:26:09,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:26:09,473 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55311af7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:26:09,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-11-08 16:26:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 30 states have (on average 1.7666666666666666) internal successors, (53), 50 states have internal predecessors, (53), 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)
[2024-11-08 16:26:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-08 16:26:09,516 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:26:09,517 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-08 16:26:09,518 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] ===
[2024-11-08 16:26:09,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:26:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash 925764, now seen corresponding path program 1 times
[2024-11-08 16:26:09,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:26:09,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353151009]
[2024-11-08 16:26:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:26:09,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:26:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:26:09,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:26:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:26:09,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:26:09,695 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:26:09,699 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2024-11-08 16:26:09,701 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2024-11-08 16:26:09,702 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2024-11-08 16:26:09,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2024-11-08 16:26:09,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2024-11-08 16:26:09,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2024-11-08 16:26:09,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2024-11-08 16:26:09,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2024-11-08 16:26:09,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining)
[2024-11-08 16:26:09,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining)
[2024-11-08 16:26:09,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining)
[2024-11-08 16:26:09,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining)
[2024-11-08 16:26:09,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2024-11-08 16:26:09,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2024-11-08 16:26:09,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2024-11-08 16:26:09,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2024-11-08 16:26:09,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2024-11-08 16:26:09,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2024-11-08 16:26:09,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2024-11-08 16:26:09,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2024-11-08 16:26:09,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:26:09,721 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-08 16:26:09,744 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:26:09,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:26:09 BoogieIcfgContainer
[2024-11-08 16:26:09,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:26:09,754 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:26:09,754 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:26:09,754 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:26:09,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:26:09" (3/4) ...
[2024-11-08 16:26:09,756 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 16:26:09,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:26:09,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:26:09,811 INFO L158 Benchmark]: Toolchain (without parser) took 1321.88ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 91.0MB in the end (delta: -184.4kB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB.
[2024-11-08 16:26:09,812 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 132.1MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:26:09,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.24ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 78.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:26:09,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.42ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:26:09,814 INFO L158 Benchmark]: Boogie Preprocessor took 57.45ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:26:09,817 INFO L158 Benchmark]: RCFGBuilder took 428.87ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 63.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:26:09,818 INFO L158 Benchmark]: TraceAbstraction took 387.92ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 92.6MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:26:09,818 INFO L158 Benchmark]: Witness Printer took 55.91ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 91.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:26:09,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.26ms. Allocated memory is still 132.1MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 341.24ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 78.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.42ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.45ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 428.87ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 63.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 387.92ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 92.6MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 55.91ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 91.0MB in the end (delta: 1.6MB). 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: 30]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L22] int x,y,z;
[L24] x=0
[L25] y=0
[L26] z=0
VAL [x=0, y=0, z=0]
[L28] COND TRUE 1
[L30] 2*__VERIFIER_nondet_int()
VAL [x=0, y=0, z=0]
- UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 34]: 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, 51 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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!
[2024-11-08 16:26:09,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12470c38-a928-43bb-9d97-c3ee1c289312/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)