./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:58:46,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:58:46,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:58:46,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:58:46,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:58:46,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:58:46,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:58:46,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:58:46,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:58:46,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:58:46,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:58:46,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:58:46,571 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:58:46,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:58:46,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:58:46,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:58:46,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:58:46,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:58:46,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:58:46,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:58:46,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:58:46,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:58:46,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:58:46,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:58:46,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:58:46,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:58:46,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:58:46,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:46,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:58:46,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:58:46,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:58:46,582 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:58:46,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:58:46,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:58:46,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:58:46,583 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:58:46,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:58:46,585 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:58:46,585 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_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2023-11-06 22:58:46,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:58:46,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:58:46,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:58:46,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:58:46,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:58:46,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-06 22:58:50,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:58:50,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:58:50,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-06 22:58:50,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data/e27cc00cd/3d1b4d47606248edb34ad8c791546da2/FLAGd61c840f4 [2023-11-06 22:58:50,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data/e27cc00cd/3d1b4d47606248edb34ad8c791546da2 [2023-11-06 22:58:50,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:58:50,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:58:50,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:50,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:58:50,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:58:50,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:50" (1/1) ... [2023-11-06 22:58:50,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3e1a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:50, skipping insertion in model container [2023-11-06 22:58:50,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:50" (1/1) ... [2023-11-06 22:58:50,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:58:51,313 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:58:52,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:52,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:58:52,099 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:58:52,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:52,307 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,307 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,307 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,308 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,308 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,308 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,308 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:58:52,317 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:58:52,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52 WrapperNode [2023-11-06 22:58:52,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:52,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:52,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:58:52,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:58:52,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,422 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2023-11-06 22:58:52,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:52,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:58:52,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:58:52,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:58:52,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:58:52,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:58:52,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:58:52,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:58:52,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (1/1) ... [2023-11-06 22:58:52,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:52,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:58:52,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:58:52,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:58:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:58:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:58:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:58:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:58:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:58:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:58:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:58:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:58:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:58:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:58:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:58:52,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:58:52,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:58:52,950 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:58:52,956 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:58:52,957 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:58:52,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:52 BoogieIcfgContainer [2023-11-06 22:58:52,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:58:52,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:58:52,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:58:52,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:58:52,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:58:50" (1/3) ... [2023-11-06 22:58:52,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80f4383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:52, skipping insertion in model container [2023-11-06 22:58:52,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:52" (2/3) ... [2023-11-06 22:58:52,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80f4383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:58:52, skipping insertion in model container [2023-11-06 22:58:52,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:52" (3/3) ... [2023-11-06 22:58:52,970 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-06 22:58:52,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:58:52,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:58:53,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:58:53,052 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=LoopsAndPotentialCycles, 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;@594524d4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:58:53,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:58:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 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) [2023-11-06 22:58:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:58:53,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:53,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:53,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:58:53,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:53,070 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2023-11-06 22:58:53,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:58:53,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149353947] [2023-11-06 22:58:53,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:53,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:58:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:58:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:58:53,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:58:53,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149353947] [2023-11-06 22:58:53,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149353947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:58:53,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:58:53,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:58:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208319676] [2023-11-06 22:58:53,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:58:53,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:58:53,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:58:53,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:58:53,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:58:53,929 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 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 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:58:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:58:53,989 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-06 22:58:53,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:58:53,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-06 22:58:53,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:58:54,000 INFO L225 Difference]: With dead ends: 24 [2023-11-06 22:58:54,001 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 22:58:54,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:58:54,008 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:58:54,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 57 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:58:54,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 22:58:54,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 22:58:54,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:58:54,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 22:58:54,052 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 22:58:54,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:58:54,055 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:58:54,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:58:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 22:58:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:58:54,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:54,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:54,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:58:54,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:58:54,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:54,061 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2023-11-06 22:58:54,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:58:54,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658073330] [2023-11-06 22:58:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:54,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:58:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:58:54,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:58:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:58:54,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:58:54,213 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:58:54,215 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:58:54,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:58:54,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:58:54,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:58:54,226 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:58:54,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:58:54 BoogieIcfgContainer [2023-11-06 22:58:54,278 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:58:54,279 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:58:54,279 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:58:54,279 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:58:54,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:58:52" (3/4) ... [2023-11-06 22:58:54,282 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:58:54,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:58:54,289 INFO L158 Benchmark]: Toolchain (without parser) took 3592.08ms. Allocated memory is still 161.5MB. Free memory was 134.1MB in the beginning and 99.0MB in the end (delta: 35.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-06 22:58:54,290 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:54,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.75ms. Allocated memory is still 161.5MB. Free memory was 133.7MB in the beginning and 73.3MB in the end (delta: 60.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-06 22:58:54,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.12ms. Allocated memory is still 161.5MB. Free memory was 73.3MB in the beginning and 70.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:54,298 INFO L158 Benchmark]: Boogie Preprocessor took 77.32ms. Allocated memory is still 161.5MB. Free memory was 70.4MB in the beginning and 68.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:54,299 INFO L158 Benchmark]: RCFGBuilder took 457.72ms. Allocated memory is still 161.5MB. Free memory was 68.7MB in the beginning and 55.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:58:54,300 INFO L158 Benchmark]: TraceAbstraction took 1316.13ms. Allocated memory is still 161.5MB. Free memory was 54.9MB in the beginning and 99.8MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:54,300 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 99.0MB in the end (delta: 862.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:54,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.75ms. Allocated memory is still 161.5MB. Free memory was 133.7MB in the beginning and 73.3MB in the end (delta: 60.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.12ms. Allocated memory is still 161.5MB. Free memory was 73.3MB in the beginning and 70.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.32ms. Allocated memory is still 161.5MB. Free memory was 70.4MB in the beginning and 68.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.72ms. Allocated memory is still 161.5MB. Free memory was 68.7MB in the beginning and 55.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1316.13ms. Allocated memory is still 161.5MB. Free memory was 54.9MB in the beginning and 99.8MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 99.0MB in the end (delta: 862.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483654, argc=2147483654, argv={2147483651:2147483650}, argv={2147483651:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data++=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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 [2023-11-06 22:58:54,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:58:57,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:58:57,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-06 22:58:57,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:58:57,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:58:57,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-06 22:58:57,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:58:57,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:58:57,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:58:57,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:58:57,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:58:57,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:58:57,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:58:57,543 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:58:57,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:58:57,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:58:57,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:58:57,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:58:57,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:58:57,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:58:57,548 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:58:57,549 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:58:57,549 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:58:57,550 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:58:57,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:58:57,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:58:57,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:58:57,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:58:57,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:58:57,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:58:57,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:57,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:58:57,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:58:57,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:58:57,556 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:58:57,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:58:57,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:58:57,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:58:57,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:58:57,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:58:57,559 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:58:57,560 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:58:57,560 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_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2023-11-06 22:58:58,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:58:58,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:58:58,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:58:58,089 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:58:58,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:58:58,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-06 22:59:01,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:59:01,997 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:59:01,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-06 22:59:02,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data/db47d7ffd/d2be4b430e97411c94dfcddf6cbfffa0/FLAGc6a02a79e [2023-11-06 22:59:02,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/data/db47d7ffd/d2be4b430e97411c94dfcddf6cbfffa0 [2023-11-06 22:59:02,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:59:02,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:59:02,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:02,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:59:02,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:59:02,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:02" (1/1) ... [2023-11-06 22:59:02,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f5d8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:02, skipping insertion in model container [2023-11-06 22:59:02,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:02" (1/1) ... [2023-11-06 22:59:02,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:59:02,597 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:59:03,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:03,182 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:59:03,203 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:59:03,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:03,426 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,426 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,426 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,426 WARN L672 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,427 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,427 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,427 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:59:03,434 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:59:03,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03 WrapperNode [2023-11-06 22:59:03,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:03,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:03,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:59:03,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:59:03,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,500 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2023-11-06 22:59:03,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:03,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:59:03,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:59:03,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:59:03,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:03,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:03,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:03,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:03,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (1/1) ... [2023-11-06 22:59:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:03,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:03,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:59:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:59:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:59:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:59:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:59:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:59:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:59:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:59:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 22:59:03,821 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:03,823 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:03,994 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:04,000 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:04,000 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:59:04,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:04 BoogieIcfgContainer [2023-11-06 22:59:04,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:04,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:59:04,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:59:04,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:59:04,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:59:02" (1/3) ... [2023-11-06 22:59:04,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17549118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:04, skipping insertion in model container [2023-11-06 22:59:04,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:03" (2/3) ... [2023-11-06 22:59:04,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17549118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:04, skipping insertion in model container [2023-11-06 22:59:04,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:04" (3/3) ... [2023-11-06 22:59:04,010 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-06 22:59:04,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:59:04,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:59:04,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:59:04,081 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=LoopsAndPotentialCycles, 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;@3cf65088, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:59:04,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:59:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 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) [2023-11-06 22:59:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:59:04,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:04,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:04,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:59:04,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:04,102 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2023-11-06 22:59:04,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:04,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69641214] [2023-11-06 22:59:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:04,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:59:04,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:04,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:59:04,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:59:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:04,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:59:04,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:59:04,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:04,290 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:59:04,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69641214] [2023-11-06 22:59:04,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69641214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:04,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:04,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:59:04,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890519180] [2023-11-06 22:59:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:04,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:59:04,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:59:04,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:59:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:04,330 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:59:04,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:04,348 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-06 22:59:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:59:04,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-06 22:59:04,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:04,357 INFO L225 Difference]: With dead ends: 24 [2023-11-06 22:59:04,358 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 22:59:04,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:04,364 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:04,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:59:04,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 22:59:04,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 22:59:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 22:59:04,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 22:59:04,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:04,403 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:59:04,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:59:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 22:59:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:59:04,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:04,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:04,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:59:04,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:59:04,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2023-11-06 22:59:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:04,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510734458] [2023-11-06 22:59:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:04,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:59:04,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:04,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:59:04,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:59:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:04,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:04,904 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 22:59:04,905 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:59:04,907 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:59:04,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:59:04,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:05,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:59:05,113 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:59:05,117 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:59:05,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:59:05 BoogieIcfgContainer [2023-11-06 22:59:05,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:59:05,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:59:05,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:59:05,160 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:59:05,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:04" (3/4) ... [2023-11-06 22:59:05,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:59:05,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:59:05,165 INFO L158 Benchmark]: Toolchain (without parser) took 3108.52ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 63.0MB in the beginning and 72.9MB in the end (delta: -9.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-06 22:59:05,166 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:59:05,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.77ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 49.7MB in the end (delta: 13.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-06 22:59:05,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.21ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 46.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:59:05,167 INFO L158 Benchmark]: Boogie Preprocessor took 37.02ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:59:05,168 INFO L158 Benchmark]: RCFGBuilder took 463.40ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 58.1MB in the end (delta: -13.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-06 22:59:05,169 INFO L158 Benchmark]: TraceAbstraction took 1154.72ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 73.0MB in the end (delta: -15.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-06 22:59:05,170 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 158.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:59:05,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.77ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 49.7MB in the end (delta: 13.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.21ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 46.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.02ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.40ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 58.1MB in the end (delta: -13.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1154.72ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 73.0MB in the end (delta: -15.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 158.3kB). 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data++=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 1 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 [2023-11-06 22:59:05,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb31e6dc-645f-4b15-acab-85be561f98b8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample