./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1 --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 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:27:52,428 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:27:52,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 12:27:52,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:27:52,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:27:52,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:27:52,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:27:52,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:27:52,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:27:52,511 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:27:52,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:27:52,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:27:52,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:27:52,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:27:52,512 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:27:52,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:27:52,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:27:52,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:27:52,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:27:52,513 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:27:52,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:27:52,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:27:52,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:27:52,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:27:52,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:27:52,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:27:52,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:27:52,515 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1
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 -> 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e
[2024-12-02 12:27:52,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:27:52,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:27:52,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:27:52,769 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:27:52,770 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:27:52,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c
[2024-12-02 12:27:55,426 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/data/f0d0a352a/6532345fd7e6451886510bdf0ae2809e/FLAGccb955e32
[2024-12-02 12:27:55,591 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:27:55,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c
[2024-12-02 12:27:55,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/data/f0d0a352a/6532345fd7e6451886510bdf0ae2809e/FLAGccb955e32
[2024-12-02 12:27:55,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/data/f0d0a352a/6532345fd7e6451886510bdf0ae2809e
[2024-12-02 12:27:55,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:27:55,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:27:55,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:27:55,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:27:55,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:27:55,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74aba5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55, skipping insertion in model container
[2024-12-02 12:27:55,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,635 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:27:55,735 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:27:55,738 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:27:55,747 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:27:55,756 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:27:55,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55 WrapperNode
[2024-12-02 12:27:55,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:27:55,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:27:55,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:27:55,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:27:55,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,776 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2024-12-02 12:27:55,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:27:55,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:27:55,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:27:55,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:27:55,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,788 INFO L175 MemorySlicer]: No memory access in input program.
[2024-12-02 12:27:55,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:27:55,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:27:55,798 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:27:55,798 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:27:55,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (1/1) ...
[2024-12-02 12:27:55,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:27:55,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:27:55,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:27:55,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:27:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:27:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:27:55,897 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:27:55,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:27:55,968 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-12-02 12:27:55,969 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:27:55,976 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:27:55,976 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 12:27:55,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:55 BoogieIcfgContainer
[2024-12-02 12:27:55,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:27:55,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:27:55,978 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:27:55,982 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:27:55,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:27:55" (1/3) ...
[2024-12-02 12:27:55,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c669b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:27:55, skipping insertion in model container
[2024-12-02 12:27:55,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:55" (2/3) ...
[2024-12-02 12:27:55,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c669b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:27:55, skipping insertion in model container
[2024-12-02 12:27:55,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:55" (3/3) ...
[2024-12-02 12:27:55,984 INFO L128 eAbstractionObserver]: Analyzing ICFG ColonSipma-TACAS2001-Fig1.c
[2024-12-02 12:27:55,996 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:27:55,998 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ColonSipma-TACAS2001-Fig1.c that has 1 procedures, 16 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-12-02 12:27:56,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:27:56,050 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;@1d095a3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:27:56,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 12:27:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 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)
[2024-12-02 12:27:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 12:27:56,057 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:27:56,058 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 12:27:56,058 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)] ===
[2024-12-02 12:27:56,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:27:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times
[2024-12-02 12:27:56,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:27:56,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662273931]
[2024-12-02 12:27:56,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:27:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:27:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:27:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:27:56,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:27:56,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662273931]
[2024-12-02 12:27:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662273931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:27:56,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:27:56,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:27:56,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951474465]
[2024-12-02 12:27:56,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:27:56,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:27:56,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:27:56,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:27:56,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:27:56,238 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 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 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:27:56,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:27:56,289 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions.
[2024-12-02 12:27:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:27:56,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-12-02 12:27:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:27:56,295 INFO L225 Difference]: With dead ends: 25
[2024-12-02 12:27:56,295 INFO L226 Difference]: Without dead ends: 16
[2024-12-02 12:27:56,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:27:56,299 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:27:56,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:27:56,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-12-02 12:27:56,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15.
[2024-12-02 12:27:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 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)
[2024-12-02 12:27:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-12-02 12:27:56,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 5
[2024-12-02 12:27:56,327 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:27:56,327 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2024-12-02 12:27:56,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:27:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-12-02 12:27:56,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 12:27:56,327 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:27:56,327 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 12:27:56,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:27:56,328 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)] ===
[2024-12-02 12:27:56,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:27:56,329 INFO L85 PathProgramCache]: Analyzing trace with hash 889601032, now seen corresponding path program 1 times
[2024-12-02 12:27:56,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:27:56,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498168118]
[2024-12-02 12:27:56,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:27:56,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:27:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:27:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:27:56,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:27:56,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498168118]
[2024-12-02 12:27:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498168118] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:27:56,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:27:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:27:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30865742]
[2024-12-02 12:27:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:27:56,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:27:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:27:56,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:27:56,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:27:56,381 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:27:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:27:56,398 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2024-12-02 12:27:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:27:56,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 12:27:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:27:56,399 INFO L225 Difference]: With dead ends: 15
[2024-12-02 12:27:56,399 INFO L226 Difference]: Without dead ends: 14
[2024-12-02 12:27:56,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:27:56,400 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:27:56,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:27:56,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-12-02 12:27:56,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2024-12-02 12:27:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 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)
[2024-12-02 12:27:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2024-12-02 12:27:56,403 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 6
[2024-12-02 12:27:56,403 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:27:56,404 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2024-12-02 12:27:56,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 12:27:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2024-12-02 12:27:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 12:27:56,404 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:27:56,404 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:27:56,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:27:56,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 12:27:56,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:27:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1807828264, now seen corresponding path program 1 times
[2024-12-02 12:27:56,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:27:56,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554980381]
[2024-12-02 12:27:56,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:27:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:27:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:27:56,416 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 12:27:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 12:27:56,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 12:27:56,433 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 12:27:56,434 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 12:27:56,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 12:27:56,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 12:27:56,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 12:27:56,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 12:27:56,438 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 12:27:56,450 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:27:56,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:27:56 BoogieIcfgContainer
[2024-12-02 12:27:56,453 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:27:56,453 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:27:56,453 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:27:56,453 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:27:56,454 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:55" (3/4) ...
[2024-12-02 12:27:56,455 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 12:27:56,481 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2.
[2024-12-02 12:27:56,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:27:56,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:27:56,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:27:56,512 INFO L158 Benchmark]: Toolchain (without parser) took 891.29ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 67.3MB in the end (delta: 50.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-02 12:27:56,512 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:27:56,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.01ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:27:56,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.48ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.7MB in the end (delta: 996.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:27:56,513 INFO L158 Benchmark]: Boogie Preprocessor took 20.44ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.9MB in the end (delta: 850.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:27:56,513 INFO L158 Benchmark]: RCFGBuilder took 179.36ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 96.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:27:56,513 INFO L158 Benchmark]: TraceAbstraction took 474.48ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 71.1MB in the end (delta: 24.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:27:56,513 INFO L158 Benchmark]: Witness Printer took 57.64ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 67.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:27:56,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 136.01ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 18.48ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.7MB in the end (delta: 996.5kB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.44ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.9MB in the end (delta: 850.7kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 179.36ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 96.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 474.48ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 71.1MB in the end (delta: 24.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Witness Printer took 57.64ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 67.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. 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: 23]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L15] int k, i, j, tmp;
[L16] k = __VERIFIER_nondet_int()
[L17] i = __VERIFIER_nondet_int()
[L18] j = __VERIFIER_nondet_int()
[L19] COND TRUE i <= 100 && j <= k
VAL [i=0, j=-2147483648, k=-2147483648]
[L20] tmp = i
[L21] i = j
VAL [i=-2147483648, k=-2147483648, tmp=0]
[L22] EXPR tmp + 1
[L22] j = tmp + 1
VAL [i=-2147483648, j=1, k=-2147483648]
[L23] k - 1
VAL [i=-2147483648, j=1]
- UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 22]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 23]: 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 12:27:56,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e235b91-4681-44f5-8367-0d2b8c0c860e/bin/uautomizer-verify-84ZbGMXZE1/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)