./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i --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_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:04:53,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:04:53,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 12:04:53,952 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:04:53,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:04:53,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:04:53,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:04:53,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:04:53,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:04:53,976 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:04:53,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:04:53,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:04:53,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:04:53,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:04:53,976 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:04:53,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:04:53,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:04:53,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:04:53,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:04:53,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:04:53,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:04:53,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:04:53,979 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_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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 -> 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 [2024-12-02 12:04:54,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:04:54,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:04:54,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:04:54,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:04:54,230 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:04:54,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2024-12-02 12:04:56,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/dd68bb143/4fe00ef72fc949c9bb90db35c7c81097/FLAGfdd57c794 [2024-12-02 12:04:57,242 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:04:57,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2024-12-02 12:04:57,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/dd68bb143/4fe00ef72fc949c9bb90db35c7c81097/FLAGfdd57c794 [2024-12-02 12:04:57,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/dd68bb143/4fe00ef72fc949c9bb90db35c7c81097 [2024-12-02 12:04:57,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:04:57,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:04:57,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:04:57,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:04:57,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:04:57,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:04:57" (1/1) ... [2024-12-02 12:04:57,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c74f41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:57, skipping insertion in model container [2024-12-02 12:04:57,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:04:57" (1/1) ... [2024-12-02 12:04:57,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:04:58,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:04:58,697 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:04:58,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:04:58,988 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:04:58,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58 WrapperNode [2024-12-02 12:04:58,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:04:58,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:04:58,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:04:58,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:04:58,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,033 INFO L138 Inliner]: procedures = 940, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2024-12-02 12:04:59,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:04:59,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:04:59,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:04:59,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:04:59,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,055 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-12-02 12:04:59,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,060 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:04:59,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:04:59,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:04:59,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:04:59,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (1/1) ... [2024-12-02 12:04:59,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:04:59,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:04:59,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:04:59,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:04:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:04:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 12:04:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 12:04:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:04:59,215 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:04:59,217 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:04:59,318 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-02 12:04:59,319 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:04:59,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:04:59,328 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:04:59,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:04:59 BoogieIcfgContainer [2024-12-02 12:04:59,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:04:59,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:04:59,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:04:59,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:04:59,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:04:57" (1/3) ... [2024-12-02 12:04:59,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672c502e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:04:59, skipping insertion in model container [2024-12-02 12:04:59,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:04:58" (2/3) ... [2024-12-02 12:04:59,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672c502e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:04:59, skipping insertion in model container [2024-12-02 12:04:59,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:04:59" (3/3) ... [2024-12-02 12:04:59,336 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2024-12-02 12:04:59,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:04:59,354 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_54_bad.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 12:04:59,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:04:59,420 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;@59955d88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:04:59,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 12:04:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 12:04:59,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 12:04:59,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:59,431 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:59,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 12:04:59,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:59,436 INFO L85 PathProgramCache]: Analyzing trace with hash 972561618, now seen corresponding path program 1 times [2024-12-02 12:04:59,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:59,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047168685] [2024-12-02 12:04:59,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:59,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:59,638 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 12:04:59,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:59,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047168685] [2024-12-02 12:04:59,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047168685] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:59,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:59,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 12:04:59,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467578064] [2024-12-02 12:04:59,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:59,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:04:59,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:59,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:04:59,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:04:59,663 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:04:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:59,675 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-12-02 12:04:59,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:04:59,676 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-12-02 12:04:59,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:59,680 INFO L225 Difference]: With dead ends: 26 [2024-12-02 12:04:59,680 INFO L226 Difference]: Without dead ends: 14 [2024-12-02 12:04:59,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:04:59,685 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:59,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:04:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-12-02 12:04:59,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-12-02 12:04:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 12:04:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-12-02 12:04:59,719 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2024-12-02 12:04:59,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:59,720 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-12-02 12:04:59,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 12:04:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-02 12:04:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 12:04:59,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:59,722 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:59,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:04:59,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 12:04:59,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:59,723 INFO L85 PathProgramCache]: Analyzing trace with hash 84639140, now seen corresponding path program 1 times [2024-12-02 12:04:59,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:59,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557886779] [2024-12-02 12:04:59,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:59,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:04:59,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104783899] [2024-12-02 12:04:59,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:59,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:04:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:04:59,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:04:59,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:04:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:59,879 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:04:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:04:59,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:04:59,923 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:04:59,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 12:04:59,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 12:04:59,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:05:00,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 12:05:00,130 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 12:05:00,154 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:05:00,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:05:00 BoogieIcfgContainer [2024-12-02 12:05:00,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:05:00,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:05:00,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:05:00,159 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:05:00,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:04:59" (3/4) ... [2024-12-02 12:05:00,162 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:05:00,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:05:00,164 INFO L158 Benchmark]: Toolchain (without parser) took 2875.97ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 87.8MB in the beginning and 165.2MB in the end (delta: -77.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-02 12:05:00,165 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:00,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1699.63ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 54.3MB in the end (delta: 33.3MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2024-12-02 12:05:00,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.85ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 51.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:00,166 INFO L158 Benchmark]: Boogie Preprocessor took 31.63ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 49.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:00,166 INFO L158 Benchmark]: RCFGBuilder took 261.66ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 36.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:05:00,166 INFO L158 Benchmark]: TraceAbstraction took 827.83ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 35.5MB in the beginning and 165.2MB in the end (delta: -129.7MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-12-02 12:05:00,167 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 234.9MB. Free memory is still 165.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:00,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1699.63ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 54.3MB in the end (delta: 33.3MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.85ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 51.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.63ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 49.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.66ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 36.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 827.83ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 35.5MB in the beginning and 165.2MB in the end (delta: -129.7MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 234.9MB. Free memory is still 165.2MB. There was no memory consumed. 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 - UnprovableResult [Line: 1876]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1841, overapproximation of fgets at line 1839. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1853] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1853] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_54_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_54b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_54c_badSink(data) [L1866] CALL CWE190_Integer_Overflow__int_fgets_square_54d_badSink(data) [L1871] CALL CWE190_Integer_Overflow__int_fgets_square_54e_badSink(data) [L1876] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1876]: 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 2 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:05:00,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:05:02,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:05:02,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 12:05:02,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:05:02,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:05:02,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 12:05:02,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:05:02,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:05:02,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:05:02,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:05:02,309 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:05:02,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:05:02,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:05:02,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:05:02,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:05:02,310 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:05:02,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:05:02,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:05:02,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:05:02,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:05:02,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:05:02,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:05:02,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:05:02,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:05:02,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:05:02,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:05:02,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:05:02,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:05:02,314 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_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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 -> 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 [2024-12-02 12:05:02,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:05:02,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:05:02,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:05:02,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:05:02,565 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:05:02,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2024-12-02 12:05:05,305 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/b035ed3b4/d776fd2d6c284f2690f9303502bcf166/FLAG1608d5624 [2024-12-02 12:05:05,639 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:05:05,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2024-12-02 12:05:05,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/b035ed3b4/d776fd2d6c284f2690f9303502bcf166/FLAG1608d5624 [2024-12-02 12:05:05,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/data/b035ed3b4/d776fd2d6c284f2690f9303502bcf166 [2024-12-02 12:05:05,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:05:05,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:05:05,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:05:05,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:05:05,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:05:05,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:05" (1/1) ... [2024-12-02 12:05:05,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f81901f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:05, skipping insertion in model container [2024-12-02 12:05:05,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:05:05" (1/1) ... [2024-12-02 12:05:05,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:05:07,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:05:07,306 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:05:07,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:05:07,599 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:05:07,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07 WrapperNode [2024-12-02 12:05:07,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:05:07,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:05:07,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:05:07,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:05:07,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,653 INFO L138 Inliner]: procedures = 945, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-12-02 12:05:07,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:05:07,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:05:07,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:05:07,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:05:07,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,679 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-12-02 12:05:07,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:05:07,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:05:07,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:05:07,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:05:07,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (1/1) ... [2024-12-02 12:05:07,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:05:07,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:05:07,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:05:07,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:05:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:05:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 12:05:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 12:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:05:07,876 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:05:07,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:05:08,407 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-02 12:05:08,407 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:05:08,417 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:05:08,417 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:05:08,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:08 BoogieIcfgContainer [2024-12-02 12:05:08,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:05:08,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:05:08,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:05:08,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:05:08,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:05:05" (1/3) ... [2024-12-02 12:05:08,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7c0749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:08, skipping insertion in model container [2024-12-02 12:05:08,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:05:07" (2/3) ... [2024-12-02 12:05:08,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7c0749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:05:08, skipping insertion in model container [2024-12-02 12:05:08,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:08" (3/3) ... [2024-12-02 12:05:08,429 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2024-12-02 12:05:08,445 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:05:08,447 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_54_bad.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 12:05:08,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:05:08,505 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;@7a7cc80d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:05:08,505 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 12:05:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 12:05:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 12:05:08,512 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:08,513 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:05:08,513 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 12:05:08,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:08,517 INFO L85 PathProgramCache]: Analyzing trace with hash 972561618, now seen corresponding path program 1 times [2024-12-02 12:05:08,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:05:08,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292913783] [2024-12-02 12:05:08,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:08,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:08,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:05:08,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:05:08,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:05:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:05:08,959 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:05:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:05:09,564 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 12:05:09,565 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:05:09,566 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 12:05:09,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 12:05:09,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:05:09,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:05:09,773 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 12:05:09,792 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:05:09,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:05:09 BoogieIcfgContainer [2024-12-02 12:05:09,796 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:05:09,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:05:09,796 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:05:09,797 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:05:09,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:05:08" (3/4) ... [2024-12-02 12:05:09,799 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:05:09,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:05:09,801 INFO L158 Benchmark]: Toolchain (without parser) took 3941.34ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 65.0MB in the beginning and 85.4MB in the end (delta: -20.4MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-12-02 12:05:09,802 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:09,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1738.29ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 64.8MB in the beginning and 126.1MB in the end (delta: -61.3MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-12-02 12:05:09,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.33ms. Allocated memory is still 176.2MB. Free memory was 126.1MB in the beginning and 122.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:09,803 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 119.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:09,803 INFO L158 Benchmark]: RCFGBuilder took 720.03ms. Allocated memory is still 176.2MB. Free memory was 119.7MB in the beginning and 104.7MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:05:09,804 INFO L158 Benchmark]: TraceAbstraction took 1375.49ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 85.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:05:09,804 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 176.2MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:05:09,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1738.29ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 64.8MB in the beginning and 126.1MB in the end (delta: -61.3MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.33ms. Allocated memory is still 176.2MB. Free memory was 126.1MB in the beginning and 122.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 119.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.03ms. Allocated memory is still 176.2MB. Free memory was 119.7MB in the beginning and 104.7MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1375.49ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 85.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 176.2MB. Free memory is still 85.4MB. There was no memory consumed. 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 - UnprovableResult [Line: 1876]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1841, overapproximation of fgets at line 1839. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1853] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1853] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_54_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_54b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_54c_badSink(data) [L1866] CALL CWE190_Integer_Overflow__int_fgets_square_54d_badSink(data) [L1871] CALL CWE190_Integer_Overflow__int_fgets_square_54e_badSink(data) [L1876] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1876]: 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 2 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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=26occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:05:09,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7d531f-d982-44a3-a9de-b5b0ee13e899/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 Result: UNKNOWN: Overapproximated counterexample