./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_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_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/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_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/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_7a797f6d-2de5-49f6-a003-63bff007a922/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 671d705a70336356947a97806e14e6e59074b41604d6d754fbc520319aac2b10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:41:02,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:41:02,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 15:41:02,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:41:02,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:41:02,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:41:02,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:41:02,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:41:02,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:41:02,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:41:02,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:41:02,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:41:02,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:41:02,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:41:02,121 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:41:02,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:41:02,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:41:02,123 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:02,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:02,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:02,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:41:02,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:41:02,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:41:02,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:41:02,125 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_7a797f6d-2de5-49f6-a003-63bff007a922/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 -> 671d705a70336356947a97806e14e6e59074b41604d6d754fbc520319aac2b10 [2024-12-02 15:41:02,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:41:02,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:41:02,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:41:02,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:41:02,359 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:41:02,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i [2024-12-02 15:41:04,953 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/f289b7b15/b78edf269deb48c8b61adebf56250263/FLAG63aef072b [2024-12-02 15:41:05,269 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:41:05,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i [2024-12-02 15:41:05,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/f289b7b15/b78edf269deb48c8b61adebf56250263/FLAG63aef072b [2024-12-02 15:41:05,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/f289b7b15/b78edf269deb48c8b61adebf56250263 [2024-12-02 15:41:05,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:41:05,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:41:05,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:05,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:41:05,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:41:05,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:05" (1/1) ... [2024-12-02 15:41:05,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581be1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:05, skipping insertion in model container [2024-12-02 15:41:05,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:05" (1/1) ... [2024-12-02 15:41:05,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:41:06,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:06,184 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:41:06,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:06,364 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:41:06,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06 WrapperNode [2024-12-02 15:41:06,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:06,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:06,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:41:06,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:41:06,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,419 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-12-02 15:41:06,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:06,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:41:06,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:41:06,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:41:06,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,445 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 15:41:06,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,449 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:41:06,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:41:06,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:41:06,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:41:06,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (1/1) ... [2024-12-02 15:41:06,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:06,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:41:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:41:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 15:41:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 15:41:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:41:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:41:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:41:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:41:06,608 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:41:06,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:41:06,705 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-02 15:41:06,705 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:41:06,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:41:06,714 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 15:41:06,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:06 BoogieIcfgContainer [2024-12-02 15:41:06,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:41:06,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:41:06,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:41:06,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:41:06,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:41:05" (1/3) ... [2024-12-02 15:41:06,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1caa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:06, skipping insertion in model container [2024-12-02 15:41:06,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:06" (2/3) ... [2024-12-02 15:41:06,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1caa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:06, skipping insertion in model container [2024-12-02 15:41:06,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:06" (3/3) ... [2024-12-02 15:41:06,724 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i [2024-12-02 15:41:06,734 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:41:06,735 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 15:41:06,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:41:06,783 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;@65b33488, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:41:06,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 15:41:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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 15:41:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 15:41:06,790 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:06,791 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:06,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 15:41:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:06,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2024-12-02 15:41:06,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:06,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201303287] [2024-12-02 15:41:06,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:41:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:06,970 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 15:41:06,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:41:06,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201303287] [2024-12-02 15:41:06,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201303287] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:06,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:06,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:41:06,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795153051] [2024-12-02 15:41:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:06,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:41:06,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:41:06,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:41:06,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:06,992 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 15:41:07,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:07,018 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2024-12-02 15:41:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:41:07,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2024-12-02 15:41:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:07,025 INFO L225 Difference]: With dead ends: 42 [2024-12-02 15:41:07,025 INFO L226 Difference]: Without dead ends: 18 [2024-12-02 15:41:07,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:07,030 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:07,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:41:07,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-12-02 15:41:07,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-12-02 15:41:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 15:41:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-12-02 15:41:07,062 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2024-12-02 15:41:07,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:07,063 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-12-02 15:41:07,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 15:41:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-02 15:41:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 15:41:07,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:07,064 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:07,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:41:07,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 15:41:07,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:07,065 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2024-12-02 15:41:07,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:07,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459650905] [2024-12-02 15:41:07,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:07,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:41:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:07,165 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 15:41:07,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:41:07,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459650905] [2024-12-02 15:41:07,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459650905] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:07,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:07,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:41:07,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206350004] [2024-12-02 15:41:07,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:07,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:41:07,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:41:07,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:41:07,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:07,168 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:41:07,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:07,179 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-12-02 15:41:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:41:07,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2024-12-02 15:41:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:07,180 INFO L225 Difference]: With dead ends: 18 [2024-12-02 15:41:07,180 INFO L226 Difference]: Without dead ends: 17 [2024-12-02 15:41:07,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:07,181 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:07,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:41:07,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-12-02 15:41:07,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-12-02 15:41:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 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 15:41:07,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-12-02 15:41:07,185 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2024-12-02 15:41:07,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:07,185 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-12-02 15:41:07,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:41:07,186 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-02 15:41:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 15:41:07,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:07,186 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:07,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:41:07,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 15:41:07,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:07,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2024-12-02 15:41:07,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:07,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841962944] [2024-12-02 15:41:07,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:07,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:41:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:41:07,216 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:41:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:41:07,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:41:07,247 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:41:07,248 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 15:41:07,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 15:41:07,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:41:07,253 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 15:41:07,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:41:07,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:41:07 BoogieIcfgContainer [2024-12-02 15:41:07,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:41:07,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:41:07,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:41:07,277 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:41:07,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:06" (3/4) ... [2024-12-02 15:41:07,279 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:41:07,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:41:07,281 INFO L158 Benchmark]: Toolchain (without parser) took 1740.13ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 61.8MB in the end (delta: 51.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-02 15:41:07,281 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:07,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.45ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 55.3MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-02 15:41:07,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.12ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 113.8MB in the end (delta: -58.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-02 15:41:07,282 INFO L158 Benchmark]: Boogie Preprocessor took 34.15ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:07,282 INFO L158 Benchmark]: RCFGBuilder took 260.20ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 99.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:41:07,283 INFO L158 Benchmark]: TraceAbstraction took 558.68ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 61.8MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 15:41:07,283 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 142.6MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:07,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.45ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 55.3MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.12ms. Allocated memory is still 142.6MB. Free memory was 55.3MB in the beginning and 113.8MB in the end (delta: -58.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.15ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.20ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 99.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 558.68ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 61.8MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 142.6MB. Free memory is still 61.8MB. 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of fgets at line 1557. 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); [L1548] static int staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1579] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFive=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_multiply_07_bad() [L1551] int data; [L1552] data = 0 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] 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, staticFive=5] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] - UnprovableResult [Line: 1571]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 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 could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:41:07,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/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_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/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_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/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_7a797f6d-2de5-49f6-a003-63bff007a922/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 671d705a70336356947a97806e14e6e59074b41604d6d754fbc520319aac2b10 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:41:09,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:41:09,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 15:41:09,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:41:09,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:41:09,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 15:41:09,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:41:09,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:41:09,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:41:09,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:41:09,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:41:09,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:41:09,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:41:09,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:41:09,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:41:09,384 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:41:09,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:41:09,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:41:09,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:41:09,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:41:09,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:41:09,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:09,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:09,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:09,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:41:09,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:41:09,387 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:41:09,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:41:09,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:41:09,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:41:09,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:41:09,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:41:09,387 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_7a797f6d-2de5-49f6-a003-63bff007a922/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 -> 671d705a70336356947a97806e14e6e59074b41604d6d754fbc520319aac2b10 [2024-12-02 15:41:09,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:41:09,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:41:09,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:41:09,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:41:09,664 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:41:09,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i [2024-12-02 15:41:12,380 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/2a026f922/30042a593d2b4dafb2b510bbf9920131/FLAG4012529fc [2024-12-02 15:41:12,640 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:41:12,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i [2024-12-02 15:41:12,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/2a026f922/30042a593d2b4dafb2b510bbf9920131/FLAG4012529fc [2024-12-02 15:41:12,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/data/2a026f922/30042a593d2b4dafb2b510bbf9920131 [2024-12-02 15:41:12,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:41:12,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:41:12,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:12,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:41:12,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:41:12,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:12" (1/1) ... [2024-12-02 15:41:12,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b166ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:12, skipping insertion in model container [2024-12-02 15:41:12,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:12" (1/1) ... [2024-12-02 15:41:12,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:41:13,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:13,632 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:41:13,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:13,833 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:41:13,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13 WrapperNode [2024-12-02 15:41:13,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:13,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:13,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:41:13,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:41:13,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,878 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-02 15:41:13,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:13,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:41:13,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:41:13,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:41:13,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,904 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 15:41:13,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:41:13,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:41:13,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:41:13,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:41:13,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (1/1) ... [2024-12-02 15:41:13,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:13,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:13,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:41:13,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:41:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 15:41:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 15:41:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:41:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:41:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:41:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:41:14,089 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:41:14,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:41:14,200 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-02 15:41:14,200 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:41:14,207 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:41:14,208 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 15:41:14,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:14 BoogieIcfgContainer [2024-12-02 15:41:14,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:41:14,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:41:14,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:41:14,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:41:14,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:41:12" (1/3) ... [2024-12-02 15:41:14,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb61976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:14, skipping insertion in model container [2024-12-02 15:41:14,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:13" (2/3) ... [2024-12-02 15:41:14,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb61976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:14, skipping insertion in model container [2024-12-02 15:41:14,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:14" (3/3) ... [2024-12-02 15:41:14,215 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i [2024-12-02 15:41:14,226 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:41:14,227 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_07_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 15:41:14,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:41:14,273 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;@347536d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:41:14,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 15:41:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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 15:41:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 15:41:14,280 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:14,281 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:14,281 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 15:41:14,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:14,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2024-12-02 15:41:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:41:14,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046550930] [2024-12-02 15:41:14,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:14,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:41:14,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:14,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:41:14,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:41:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:14,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:41:14,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:41:14,459 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 15:41:14,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:41:14,460 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:41:14,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046550930] [2024-12-02 15:41:14,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046550930] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:14,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:14,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:41:14,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644621901] [2024-12-02 15:41:14,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:14,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:41:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:41:14,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:41:14,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:14,483 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 15:41:14,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:14,502 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2024-12-02 15:41:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:41:14,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2024-12-02 15:41:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:14,510 INFO L225 Difference]: With dead ends: 42 [2024-12-02 15:41:14,510 INFO L226 Difference]: Without dead ends: 18 [2024-12-02 15:41:14,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:14,516 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:14,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:41:14,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-12-02 15:41:14,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-12-02 15:41:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 15:41:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-12-02 15:41:14,548 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2024-12-02 15:41:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:14,549 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-12-02 15:41:14,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 15:41:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-02 15:41:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 15:41:14,550 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:14,550 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:14,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:41:14,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:41:14,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 15:41:14,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:14,751 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2024-12-02 15:41:14,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:41:14,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501562821] [2024-12-02 15:41:14,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:14,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:41:14,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:14,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:41:14,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:41:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:14,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:41:14,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:41:14,843 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 15:41:14,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:41:14,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:41:14,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501562821] [2024-12-02 15:41:14,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501562821] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:14,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:14,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:41:14,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243140872] [2024-12-02 15:41:14,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:14,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:41:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:41:14,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:41:14,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:14,846 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:41:14,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:14,859 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-12-02 15:41:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:41:14,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2024-12-02 15:41:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:14,861 INFO L225 Difference]: With dead ends: 18 [2024-12-02 15:41:14,861 INFO L226 Difference]: Without dead ends: 17 [2024-12-02 15:41:14,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:14,862 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:14,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:41:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-12-02 15:41:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-12-02 15:41:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 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 15:41:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-12-02 15:41:14,866 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2024-12-02 15:41:14,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:14,867 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-12-02 15:41:14,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:41:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-02 15:41:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 15:41:14,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:14,867 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:14,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:41:15,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:41:15,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 15:41:15,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:15,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2024-12-02 15:41:15,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:41:15,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733042412] [2024-12-02 15:41:15,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:15,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:41:15,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:15,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:41:15,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:41:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:41:15,142 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:41:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:41:15,177 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 15:41:15,177 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:41:15,178 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 15:41:15,179 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 15:41:15,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:41:15,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:41:15,382 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 15:41:15,400 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:41:15,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:41:15 BoogieIcfgContainer [2024-12-02 15:41:15,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:41:15,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:41:15,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:41:15,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:41:15,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:14" (3/4) ... [2024-12-02 15:41:15,407 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:41:15,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:41:15,408 INFO L158 Benchmark]: Toolchain (without parser) took 2478.82ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 36.9MB in the end (delta: 30.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-02 15:41:15,408 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:15,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 903.57ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 63.3MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-02 15:41:15,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.44ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 60.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:15,409 INFO L158 Benchmark]: Boogie Preprocessor took 41.23ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 58.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:15,409 INFO L158 Benchmark]: RCFGBuilder took 286.90ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 44.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:41:15,410 INFO L158 Benchmark]: TraceAbstraction took 1194.12ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 36.9MB in the end (delta: 7.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-12-02 15:41:15,410 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 92.3MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:41:15,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 903.57ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 63.3MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.44ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 60.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.23ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 58.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.90ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 44.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1194.12ms. Allocated memory is still 92.3MB. Free memory was 44.3MB in the beginning and 36.9MB in the end (delta: 7.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 92.3MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 18.4kB). 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of fgets at line 1557. 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); [L1548] static int staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1579] 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, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFive=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_multiply_07_bad() [L1551] int data; [L1552] data = 0 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, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] 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, staticFive=5] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] - UnprovableResult [Line: 1571]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 102 ConjunctsInSsa, 4 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 could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:41:15,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a797f6d-2de5-49f6-a003-63bff007a922/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