./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:41:54,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:41:54,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 22:41:54,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:41:54,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:41:54,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:41:54,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:41:54,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:41:54,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:41:54,417 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:41:54,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:41:54,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:41:54,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:41:54,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:41:54,422 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:41:54,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:41:54,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:41:54,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:41:54,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:41:54,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:41:54,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:41:54,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:41:54,426 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:41:54,427 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:41:54,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:41:54,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:41:54,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:41:54,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:41:54,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:41:54,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:41:54,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:41:54,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:41:54,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:41:54,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:41:54,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:41:54,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:41:54,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:41:54,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:41:54,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:41:54,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:41:54,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:41:54,435 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 [2023-11-23 22:41:54,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:41:54,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:41:54,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:41:54,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:41:54,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:41:54,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 22:41:57,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:41:58,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:41:58,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 22:41:58,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/data/c17265f82/5f04cecf0e4c4ddc8717a94912e8af29/FLAG7a979916b [2023-11-23 22:41:58,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/data/c17265f82/5f04cecf0e4c4ddc8717a94912e8af29 [2023-11-23 22:41:58,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:41:58,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:41:58,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:41:58,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:41:58,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:41:58,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:58" (1/1) ... [2023-11-23 22:41:58,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328db293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:58, skipping insertion in model container [2023-11-23 22:41:58,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:58" (1/1) ... [2023-11-23 22:41:58,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:41:59,237 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 22:42:00,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:00,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:42:00,949 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 22:42:01,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:01,439 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:01,439 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:01,440 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:01,440 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:01,440 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:01,440 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:42:01,449 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:42:01,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01 WrapperNode [2023-11-23 22:42:01,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:01,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:01,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:42:01,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:42:01,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,541 INFO L138 Inliner]: procedures = 942, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 59 [2023-11-23 22:42:01,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:01,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:42:01,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:42:01,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:42:01,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,560 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,574 INFO L189 HeapSplitter]: Split 3 memory accesses to 3 slices as follows [1, 1, 1] [2023-11-23 22:42:01,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:42:01,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:42:01,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:42:01,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:42:01,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:42:01,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:42:01,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:42:01,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:42:01,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:42:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:42:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:42:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 22:42:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 22:42:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 22:42:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 22:42:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:42:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 22:42:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 22:42:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 22:42:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:42:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 22:42:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 22:42:01,981 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:42:01,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:42:02,164 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:42:02,199 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:42:02,200 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:42:02,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:02 BoogieIcfgContainer [2023-11-23 22:42:02,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:42:02,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:42:02,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:42:02,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:42:02,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:41:58" (1/3) ... [2023-11-23 22:42:02,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf14578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:02, skipping insertion in model container [2023-11-23 22:42:02,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (2/3) ... [2023-11-23 22:42:02,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf14578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:02, skipping insertion in model container [2023-11-23 22:42:02,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:02" (3/3) ... [2023-11-23 22:42:02,218 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 22:42:02,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:42:02,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 22:42:02,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:42:02,311 INFO L357 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, mHoare=true, 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;@858729c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:42:02,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 22:42:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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) [2023-11-23 22:42:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 22:42:02,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:02,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:02,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 22:42:02,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:02,338 INFO L85 PathProgramCache]: Analyzing trace with hash 873603906, now seen corresponding path program 1 times [2023-11-23 22:42:02,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:02,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941172319] [2023-11-23 22:42:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:02,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:02,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:42:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:42:02,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:42:02,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941172319] [2023-11-23 22:42:02,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941172319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:02,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:02,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:42:02,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909442183] [2023-11-23 22:42:02,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:02,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:42:02,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:42:02,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:42:02,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:42:02,707 INFO L87 Difference]: Start difference. First operand has 17 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-23 22:42:02,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:02,731 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-23 22:42:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:42:02,734 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2023-11-23 22:42:02,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:02,742 INFO L225 Difference]: With dead ends: 17 [2023-11-23 22:42:02,742 INFO L226 Difference]: Without dead ends: 13 [2023-11-23 22:42:02,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:42:02,750 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:02,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:42:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-23 22:42:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-23 22:42:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-23 22:42:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-23 22:42:02,788 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2023-11-23 22:42:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:02,790 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-23 22:42:02,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-23 22:42:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-23 22:42:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 22:42:02,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:02,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:02,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:42:02,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 22:42:02,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1311917364, now seen corresponding path program 1 times [2023-11-23 22:42:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:42:02,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782495987] [2023-11-23 22:42:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:42:02,832 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:42:02,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466456770] [2023-11-23 22:42:02,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:02,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:42:02,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:42:02,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:42:02,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:43:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:09,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:43:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:43:09,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:43:09,159 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:43:09,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 22:43:09,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 22:43:09,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:43:09,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 22:43:09,379 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 22:43:09,382 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:43:09,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:43:09 BoogieIcfgContainer [2023-11-23 22:43:09,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:43:09,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:43:09,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:43:09,425 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:43:09,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:02" (3/4) ... [2023-11-23 22:43:09,429 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:43:09,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:43:09,434 INFO L158 Benchmark]: Toolchain (without parser) took 70912.26ms. Allocated memory is still 205.5MB. Free memory was 155.1MB in the beginning and 115.6MB in the end (delta: 39.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-23 22:43:09,440 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:09,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2933.04ms. Allocated memory is still 205.5MB. Free memory was 154.5MB in the beginning and 86.5MB in the end (delta: 68.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2023-11-23 22:43:09,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.67ms. Allocated memory is still 205.5MB. Free memory was 86.5MB in the beginning and 82.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:43:09,444 INFO L158 Benchmark]: Boogie Preprocessor took 51.80ms. Allocated memory is still 205.5MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:43:09,445 INFO L158 Benchmark]: RCFGBuilder took 605.48ms. Allocated memory is still 205.5MB. Free memory was 80.2MB in the beginning and 158.6MB in the end (delta: -78.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-23 22:43:09,445 INFO L158 Benchmark]: TraceAbstraction took 67219.20ms. Allocated memory is still 205.5MB. Free memory was 158.6MB in the beginning and 116.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 22:43:09,449 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 205.5MB. Free memory was 116.7MB in the beginning and 115.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:09,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2933.04ms. Allocated memory is still 205.5MB. Free memory was 154.5MB in the beginning and 86.5MB in the end (delta: 68.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.67ms. Allocated memory is still 205.5MB. Free memory was 86.5MB in the beginning and 82.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.80ms. Allocated memory is still 205.5MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.48ms. Allocated memory is still 205.5MB. Free memory was 80.2MB in the beginning and 158.6MB in the end (delta: -78.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 67219.20ms. Allocated memory is still 205.5MB. Free memory was 158.6MB in the beginning and 116.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 205.5MB. Free memory was 116.7MB in the beginning and 115.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1876]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1841. 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); [L1853] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1853] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=30, argc=30, argv={29:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_54_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] EXPR data = atoi(inputBuffer) [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1837-L1847] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_54b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_54c_badSink(data) [L1866] CALL CWE190_Integer_Overflow__int_fgets_square_54d_badSink(data) [L1871] CALL CWE190_Integer_Overflow__int_fgets_square_54e_badSink(data) [L1876] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=46341, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1876]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 67.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 66.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 22:43:09,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93789e2c-fedb-49d6-bff5-898bda19a668/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...