./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8 --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 a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:25:47,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:25:47,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:25:47,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:25:47,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:25:47,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:25:47,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:25:47,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:25:47,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:25:47,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:25:47,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:25:47,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:25:47,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:25:47,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:25:47,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:25:47,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:25:47,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:25:47,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:25:47,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:25:47,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:25:47,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:25:47,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:25:47,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:25:47,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:25:47,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:25:47,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:25:47,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:25:47,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:25:47,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:25:47,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:25:47,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:25:47,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:25:47,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:25:47,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:25:47,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:25:47,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:25:47,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:25:47,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:25:47,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:25:47,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:25:47,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:25:47,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 14:25:47,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:25:47,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:25:47,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:25:47,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:25:47,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:25:47,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:25:47,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:25:47,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:25:47,353 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:25:47,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:25:47,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:25:47,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:25:47,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:25:47,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:25:47,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:25:47,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:25:47,355 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:25:47,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:25:47,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:25:47,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:25:47,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:25:47,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:25:47,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:25:47,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:25:47,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:25:47,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:25:47,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:25:47,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:25:47,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:25:47,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:25:47,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:25:47,357 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:25:47,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:25:47,357 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:25:47,357 INFO L138 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_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 [2022-12-13 14:25:47,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:25:47,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:25:47,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:25:47,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:25:47,540 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:25:47,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2022-12-13 14:25:50,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:25:50,455 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:25:50,455 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2022-12-13 14:25:50,470 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data/80c26d643/558ec6297b5043e68e90e5d1788d4c8b/FLAGdb8badfb7 [2022-12-13 14:25:50,480 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data/80c26d643/558ec6297b5043e68e90e5d1788d4c8b [2022-12-13 14:25:50,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:25:50,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:25:50,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:25:50,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:25:50,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:25:50,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:25:50" (1/1) ... [2022-12-13 14:25:50,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f56d460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:50, skipping insertion in model container [2022-12-13 14:25:50,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:25:50" (1/1) ... [2022-12-13 14:25:50,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:25:50,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:25:50,875 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:25:51,284 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:25:51,289 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:51,290 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:51,292 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:51,293 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:51,636 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 14:25:51,638 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:25:51,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:25:51,650 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:25:51,664 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:25:51,693 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:25:51,694 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:51,695 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:51,697 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:51,697 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:51,705 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 14:25:51,706 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:25:51,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:25:51,925 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:25:51,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51 WrapperNode [2022-12-13 14:25:51,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:25:51,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:25:51,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:25:51,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:25:51,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,966 INFO L138 Inliner]: procedures = 941, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2022-12-13 14:25:51,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:25:51,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:25:51,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:25:51,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:25:51,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:25:51,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:25:51,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:25:51,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:25:51,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (1/1) ... [2022-12-13 14:25:51,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:25:51,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:25:52,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:25:52,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:25:52,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:25:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:25:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 14:25:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:25:52,145 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:25:52,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:25:52,253 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:25:52,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:25:52,257 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:25:52,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:25:52 BoogieIcfgContainer [2022-12-13 14:25:52,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:25:52,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:25:52,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:25:52,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:25:52,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:25:50" (1/3) ... [2022-12-13 14:25:52,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c30e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:25:52, skipping insertion in model container [2022-12-13 14:25:52,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:51" (2/3) ... [2022-12-13 14:25:52,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c30e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:25:52, skipping insertion in model container [2022-12-13 14:25:52,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:25:52" (3/3) ... [2022-12-13 14:25:52,265 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2022-12-13 14:25:52,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:25:52,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:25:52,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:25:52,316 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;@20483e72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:25:52,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:25:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-12-13 14:25:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 14:25:52,325 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:25:52,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:25:52,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:25:52,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:25:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash 290656206, now seen corresponding path program 1 times [2022-12-13 14:25:52,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:25:52,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634516561] [2022-12-13 14:25:52,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:25:52,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:25:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:25:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:25:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:25:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:25:52,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:25:52,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634516561] [2022-12-13 14:25:52,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634516561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:25:52,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:25:52,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 14:25:52,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005427177] [2022-12-13 14:25:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:25:52,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:25:52,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:25:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:25:52,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:25:52,515 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-12-13 14:25:52,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:25:52,527 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-12-13 14:25:52,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:25:52,529 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 [2022-12-13 14:25:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:25:52,533 INFO L225 Difference]: With dead ends: 25 [2022-12-13 14:25:52,533 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 14:25:52,535 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 [2022-12-13 14:25:52,537 INFO L413 NwaCegarLoop]: 27 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, 27 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 [2022-12-13 14:25:52,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:25:52,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 14:25:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 14:25:52,559 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) [2022-12-13 14:25:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 14:25:52,561 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 14:25:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:25:52,562 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 14:25:52,562 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) [2022-12-13 14:25:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 14:25:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 14:25:52,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:25:52,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:25:52,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:25:52,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:25:52,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:25:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash 420407848, now seen corresponding path program 1 times [2022-12-13 14:25:52,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:25:52,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100866168] [2022-12-13 14:25:52,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:25:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:25:52,591 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:25:52,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101179016] [2022-12-13 14:25:52,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:25:52,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:25:52,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:25:52,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:25:52,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:25:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:25:52,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:25:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:25:52,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:25:52,706 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:25:52,707 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:25:52,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:25:52,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:25:52,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:25:52,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 14:25:52,932 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:25:52,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:25:52 BoogieIcfgContainer [2022-12-13 14:25:52,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:25:52,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:25:52,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:25:52,980 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:25:52,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:25:52" (3/4) ... [2022-12-13 14:25:52,983 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:25:52,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:25:52,984 INFO L158 Benchmark]: Toolchain (without parser) took 2500.39ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 119.5MB in the end (delta: 11.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-12-13 14:25:52,984 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:25:52,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.29ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 107.8MB in the end (delta: 23.3MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-12-13 14:25:52,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 169.9MB. Free memory was 107.8MB in the beginning and 104.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:25:52,986 INFO L158 Benchmark]: Boogie Preprocessor took 16.70ms. Allocated memory is still 169.9MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:25:52,986 INFO L158 Benchmark]: RCFGBuilder took 275.13ms. Allocated memory is still 169.9MB. Free memory was 102.5MB in the beginning and 90.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:25:52,987 INFO L158 Benchmark]: TraceAbstraction took 718.80ms. Allocated memory is still 169.9MB. Free memory was 89.0MB in the beginning and 119.5MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:25:52,987 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 169.9MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:25:52,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1441.29ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 107.8MB in the end (delta: 23.3MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 169.9MB. Free memory was 107.8MB in the beginning and 104.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.70ms. Allocated memory is still 169.9MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.13ms. Allocated memory is still 169.9MB. Free memory was 102.5MB in the beginning and 90.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 718.80ms. Allocated memory is still 169.9MB. Free memory was 89.0MB in the beginning and 119.5MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 169.9MB. Free memory is still 119.5MB. 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: 1871]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1853] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 [\old(argc)=31, argc=31, argv={29:30}, argv={29:30}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_53_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_53b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_53c_badSink(data) [L1866] CALL CWE190_Integer_Overflow__int_fgets_square_53d_badSink(data) [L1871] data * data VAL [\old(data)=2147483646, data=2147483646, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 27 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, 27 mSDtfsCounter, 0 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=25occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 14:25:53,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8 --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 a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:25:54,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:25:54,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:25:54,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:25:54,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:25:54,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:25:54,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:25:54,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:25:54,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:25:54,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:25:54,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:25:54,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:25:54,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:25:54,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:25:54,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:25:54,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:25:54,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:25:54,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:25:54,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:25:54,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:25:54,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:25:54,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:25:54,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:25:54,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:25:54,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:25:54,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:25:54,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:25:54,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:25:54,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:25:54,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:25:54,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:25:54,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:25:54,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:25:54,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:25:54,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:25:54,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:25:54,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:25:54,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:25:54,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:25:54,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:25:54,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:25:54,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 14:25:54,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:25:54,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:25:54,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:25:54,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:25:54,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:25:54,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:25:54,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:25:54,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:25:54,618 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:25:54,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:25:54,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:25:54,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:25:54,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:25:54,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:25:54,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:25:54,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:25:54,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:25:54,620 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:25:54,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:25:54,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:25:54,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:25:54,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:25:54,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:25:54,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:25:54,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:25:54,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:25:54,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:25:54,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:25:54,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:25:54,622 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:25:54,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:25:54,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:25:54,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:25:54,623 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:25:54,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:25:54,623 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:25:54,624 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:25:54,624 INFO L138 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_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 [2022-12-13 14:25:54,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:25:54,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:25:54,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:25:54,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:25:54,865 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:25:54,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2022-12-13 14:25:57,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:25:57,737 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:25:57,737 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2022-12-13 14:25:57,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data/bec2291e5/2298412687d94b6f83b90ac526eecd3a/FLAG3db4a8408 [2022-12-13 14:25:57,771 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/data/bec2291e5/2298412687d94b6f83b90ac526eecd3a [2022-12-13 14:25:57,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:25:57,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:25:57,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:25:57,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:25:57,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:25:57,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:25:57" (1/1) ... [2022-12-13 14:25:57,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659a54d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:57, skipping insertion in model container [2022-12-13 14:25:57,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:25:57" (1/1) ... [2022-12-13 14:25:57,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:25:57,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:25:58,103 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:25:58,454 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:25:58,458 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:58,459 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:58,460 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:58,461 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:58,798 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 14:25:58,805 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:25:58,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:25:58,819 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:25:58,831 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:25:58,863 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:25:58,864 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:58,865 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:25:58,866 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:58,866 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:25:58,873 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 14:25:58,874 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:25:58,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:25:59,109 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:25:59,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59 WrapperNode [2022-12-13 14:25:59,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:25:59,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:25:59,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:25:59,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:25:59,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,154 INFO L138 Inliner]: procedures = 946, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 56 [2022-12-13 14:25:59,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:25:59,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:25:59,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:25:59,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:25:59,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:25:59,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:25:59,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:25:59,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:25:59,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (1/1) ... [2022-12-13 14:25:59,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:25:59,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:25:59,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:25:59,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:25:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:25:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:25:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:25:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 14:25:59,349 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:25:59,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:26:01,053 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:26:01,057 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:26:01,057 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:26:01,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:26:01 BoogieIcfgContainer [2022-12-13 14:26:01,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:26:01,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:26:01,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:26:01,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:26:01,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:25:57" (1/3) ... [2022-12-13 14:26:01,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65eb32ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:26:01, skipping insertion in model container [2022-12-13 14:26:01,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:25:59" (2/3) ... [2022-12-13 14:26:01,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65eb32ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:26:01, skipping insertion in model container [2022-12-13 14:26:01,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:26:01" (3/3) ... [2022-12-13 14:26:01,064 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2022-12-13 14:26:01,076 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:26:01,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:26:01,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:26:01,112 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;@47fb9f6a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:26:01,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:26:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 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) [2022-12-13 14:26:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 14:26:01,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:26:01,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:26:01,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:26:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:26:01,125 INFO L85 PathProgramCache]: Analyzing trace with hash 290656206, now seen corresponding path program 1 times [2022-12-13 14:26:01,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:26:01,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607597095] [2022-12-13 14:26:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:26:01,134 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 [2022-12-13 14:26:01,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:26:01,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:26:01,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:26:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:26:01,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:26:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:26:01,371 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 14:26:01,373 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:26:01,374 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:26:01,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:26:01,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:26:01,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:26:01,589 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 14:26:01,601 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:26:01,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:26:01 BoogieIcfgContainer [2022-12-13 14:26:01,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:26:01,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:26:01,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:26:01,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:26:01,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:26:01" (3/4) ... [2022-12-13 14:26:01,636 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:26:01,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:26:01,637 INFO L158 Benchmark]: Toolchain (without parser) took 3862.34ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.6MB in the beginning and 36.7MB in the end (delta: -100.2kB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-12-13 14:26:01,637 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 26.5MB in the beginning and 26.4MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:26:01,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1334.58ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.4MB in the beginning and 33.8MB in the end (delta: 2.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-13 14:26:01,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.80ms. Allocated memory is still 73.4MB. Free memory was 33.8MB in the beginning and 29.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:26:01,638 INFO L158 Benchmark]: Boogie Preprocessor took 20.97ms. Allocated memory is still 73.4MB. Free memory was 29.6MB in the beginning and 27.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:26:01,639 INFO L158 Benchmark]: RCFGBuilder took 1882.31ms. Allocated memory is still 73.4MB. Free memory was 27.5MB in the beginning and 31.8MB in the end (delta: -4.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-12-13 14:26:01,639 INFO L158 Benchmark]: TraceAbstraction took 572.56ms. Allocated memory is still 73.4MB. Free memory was 31.3MB in the beginning and 36.8MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:26:01,639 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 73.4MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 172.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:26:01,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory was 26.5MB in the beginning and 26.4MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1334.58ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.4MB in the beginning and 33.8MB in the end (delta: 2.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.80ms. Allocated memory is still 73.4MB. Free memory was 33.8MB in the beginning and 29.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.97ms. Allocated memory is still 73.4MB. Free memory was 29.6MB in the beginning and 27.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1882.31ms. Allocated memory is still 73.4MB. Free memory was 27.5MB in the beginning and 31.8MB in the end (delta: -4.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * TraceAbstraction took 572.56ms. Allocated memory is still 73.4MB. Free memory was 31.3MB in the beginning and 36.8MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 73.4MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 172.5kB). 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: 1871]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1853] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_53_bad() [L1835] int data; [L1836] data = 0 [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1841] data = atoi(inputBuffer) [L1838] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1848] CALL CWE190_Integer_Overflow__int_fgets_square_53b_badSink(data) [L1861] CALL CWE190_Integer_Overflow__int_fgets_square_53c_badSink(data) [L1866] CALL CWE190_Integer_Overflow__int_fgets_square_53d_badSink(data) [L1871] data * data VAL [\old(data)=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1871]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 14:26:01,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d77cd6da-d514-4142-9d2c-77d142e2718e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample