./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 4a37bd51e58385ba91810afd1a7208eed2b067d5cc2da8b2d5b75382ec103ed0 --- 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 21:59:48,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:59:48,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:59:48,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:59:48,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:59:48,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:59:48,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:59:48,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:59:48,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:59:48,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:59:48,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:59:48,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:59:48,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:59:48,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:59:48,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:59:48,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:59:48,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:59:48,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:59:48,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:59:48,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:59:48,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:59:48,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:59:48,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:59:48,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:59:48,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:59:48,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:59:48,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:59:48,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:59:48,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:59:48,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:59:48,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:59:48,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:59:48,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:59:48,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:59:48,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:59:48,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:59:48,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:59:48,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:59:48,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:59:48,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:59:48,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:59:48,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:59:48,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:59:48,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:59:48,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:59:48,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:59:48,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:59:48,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:59:48,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:59:48,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:59:48,659 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:59:48,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:59:48,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:59:48,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:59:48,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:59:48,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:59:48,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:59:48,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:59:48,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:59:48,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:59:48,661 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:59:48,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:59:48,662 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:59:48,662 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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a37bd51e58385ba91810afd1a7208eed2b067d5cc2da8b2d5b75382ec103ed0 [2022-12-13 21:59:48,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:59:48,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:59:48,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:59:48,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:59:48,865 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:59:48,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i [2022-12-13 21:59:51,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:59:51,804 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:59:51,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i [2022-12-13 21:59:51,823 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data/061a84977/40922d99b7cf467eb44775b12cbe4573/FLAGd539d7af9 [2022-12-13 21:59:51,836 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data/061a84977/40922d99b7cf467eb44775b12cbe4573 [2022-12-13 21:59:51,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:59:51,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:59:51,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:59:51,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:59:51,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:59:51,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:59:51" (1/1) ... [2022-12-13 21:59:51,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202aaa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:51, skipping insertion in model container [2022-12-13 21:59:51,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:59:51" (1/1) ... [2022-12-13 21:59:51,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:59:51,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:59:52,153 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:59:52,456 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:59:52,461 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:52,463 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:52,465 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:52,466 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:52,485 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:59:52,488 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:59:52,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:59:52,502 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:59:52,517 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:59:52,560 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:59:52,562 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:52,563 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:52,565 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:52,566 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:52,570 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:59:52,572 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:59:52,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:59:52,712 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:59:52,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52 WrapperNode [2022-12-13 21:59:52,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:59:52,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:59:52,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:59:52,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:59:52,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,754 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-12-13 21:59:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:59:52,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:59:52,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:59:52,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:59:52,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:59:52,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:59:52,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:59:52,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:59:52,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (1/1) ... [2022-12-13 21:59:52,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:59:52,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:59:52,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:59:52,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:59:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:59:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:59:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:59:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:59:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:59:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:59:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:59:52,925 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:59:52,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:59:53,015 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:59:53,019 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:59:53,019 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:59:53,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:59:53 BoogieIcfgContainer [2022-12-13 21:59:53,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:59:53,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:59:53,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:59:53,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:59:53,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:59:51" (1/3) ... [2022-12-13 21:59:53,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ec0f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:59:53, skipping insertion in model container [2022-12-13 21:59:53,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:52" (2/3) ... [2022-12-13 21:59:53,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ec0f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:59:53, skipping insertion in model container [2022-12-13 21:59:53,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:59:53" (3/3) ... [2022-12-13 21:59:53,027 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i [2022-12-13 21:59:53,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:59:53,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:59:53,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:59:53,083 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;@8c44480, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:59:53,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:59:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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 21:59:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 21:59:53,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:59:53,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:59:53,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:59:53,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:59:53,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-12-13 21:59:53,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:59:53,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423024369] [2022-12-13 21:59:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:59:53,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:59:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:59:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:53,500 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 21:59:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:59:53,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423024369] [2022-12-13 21:59:53,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423024369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:59:53,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:59:53,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:59:53,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045989996] [2022-12-13 21:59:53,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:59:53,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:59:53,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:59:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:59:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:59:53,538 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 21:59:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:59:53,580 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 21:59:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:59:53,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 21:59:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:59:53,588 INFO L225 Difference]: With dead ends: 23 [2022-12-13 21:59:53,589 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 21:59:53,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:59:53,595 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 72 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 [2022-12-13 21:59:53,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 72 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:59:53,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 21:59:53,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 21:59:53,625 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 21:59:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 21:59:53,627 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 21:59:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:59:53,628 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 21:59:53,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 21:59:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 21:59:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 21:59:53,629 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:59:53,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:59:53,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:59:53,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:59:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:59:53,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2022-12-13 21:59:53,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:59:53,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824494189] [2022-12-13 21:59:53,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:59:53,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:59:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:59:53,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:59:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:59:53,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:59:53,685 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:59:53,686 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:59:53,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:59:53,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:59:53,691 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:59:53,694 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:59:53,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:59:53 BoogieIcfgContainer [2022-12-13 21:59:53,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:59:53,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:59:53,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:59:53,711 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:59:53,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:59:53" (3/4) ... [2022-12-13 21:59:53,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:59:53,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:59:53,715 INFO L158 Benchmark]: Toolchain (without parser) took 1875.01ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 85.5MB in the beginning and 60.0MB in the end (delta: 25.4MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-12-13 21:59:53,716 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:59:53,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.04ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 85.2MB in the beginning and 92.1MB in the end (delta: -6.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-12-13 21:59:53,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.24ms. Allocated memory is still 155.2MB. Free memory was 92.1MB in the beginning and 88.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:59:53,718 INFO L158 Benchmark]: Boogie Preprocessor took 20.81ms. Allocated memory is still 155.2MB. Free memory was 88.7MB in the beginning and 87.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:59:53,718 INFO L158 Benchmark]: RCFGBuilder took 244.28ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 74.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:59:53,719 INFO L158 Benchmark]: TraceAbstraction took 688.31ms. Allocated memory is still 155.2MB. Free memory was 73.3MB in the beginning and 60.0MB in the end (delta: 13.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-12-13 21:59:53,719 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 155.2MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:59:53,723 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 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.04ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 85.2MB in the beginning and 92.1MB in the end (delta: -6.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.24ms. Allocated memory is still 155.2MB. Free memory was 92.1MB in the beginning and 88.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.81ms. Allocated memory is still 155.2MB. Free memory was 88.7MB in the beginning and 87.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 244.28ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 74.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 688.31ms. Allocated memory is still 155.2MB. Free memory was 73.3MB in the beginning and 60.0MB in the end (delta: 13.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 155.2MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1580]: 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] [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483655, argc=2147483655, argv={2147483653:2147483656}, argv={2147483653:2147483656}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_postinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_postinc_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data++ VAL [data=2147483647, data++=2147483647, dataArray={6:0}, dataArray={6:0}, 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: 1580]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 21 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 21:59:53,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 4a37bd51e58385ba91810afd1a7208eed2b067d5cc2da8b2d5b75382ec103ed0 --- 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 21:59:55,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:59:55,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:59:55,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:59:55,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:59:55,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:59:55,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:59:55,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:59:55,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:59:55,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:59:55,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:59:55,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:59:55,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:59:55,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:59:55,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:59:55,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:59:55,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:59:55,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:59:55,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:59:55,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:59:55,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:59:55,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:59:55,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:59:55,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:59:55,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:59:55,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:59:55,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:59:55,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:59:55,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:59:55,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:59:55,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:59:55,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:59:55,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:59:55,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:59:55,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:59:55,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:59:55,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:59:55,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:59:55,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:59:55,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:59:55,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:59:55,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 21:59:55,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:59:55,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:59:55,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:59:55,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:59:55,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:59:55,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:59:55,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:59:55,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:59:55,510 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:59:55,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:59:55,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:59:55,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:59:55,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:59:55,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:59:55,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:59:55,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:59:55,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:59:55,511 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:59:55,512 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:59:55,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:59:55,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:59:55,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:59:55,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:59:55,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:59:55,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:59:55,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:59:55,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:59:55,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:59:55,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:59:55,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:59:55,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:59:55,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:59:55,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:59:55,515 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:59:55,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:59:55,515 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:59:55,515 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:59:55,515 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_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a37bd51e58385ba91810afd1a7208eed2b067d5cc2da8b2d5b75382ec103ed0 [2022-12-13 21:59:55,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:59:55,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:59:55,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:59:55,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:59:55,779 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:59:55,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i [2022-12-13 21:59:58,357 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:59:58,629 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:59:58,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i [2022-12-13 21:59:58,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data/3e882e8a6/24f79d37a3724b4d89830f162742398d/FLAGb2f70e96e [2022-12-13 21:59:58,906 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/data/3e882e8a6/24f79d37a3724b4d89830f162742398d [2022-12-13 21:59:58,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:59:58,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:59:58,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:59:58,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:59:58,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:59:58,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:59:58" (1/1) ... [2022-12-13 21:59:58,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353e3cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:58, skipping insertion in model container [2022-12-13 21:59:58,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:59:58" (1/1) ... [2022-12-13 21:59:58,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:59:58,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:59:59,221 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:59:59,583 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:59:59,587 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:59,589 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:59,591 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:59,592 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:59,615 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:59:59,618 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:59:59,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:59:59,637 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:59:59,654 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:59:59,707 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:59:59,709 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:59,711 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:59:59,713 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:59,713 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:59:59,718 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:59:59,720 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:59:59,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:59:59,821 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:59:59,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59 WrapperNode [2022-12-13 21:59:59,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:59:59,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:59:59,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:59:59,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:59:59,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,874 INFO L138 Inliner]: procedures = 506, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 21:59:59,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:59:59,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:59:59,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:59:59,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:59:59,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:59:59,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:59:59,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:59:59,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:59:59,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (1/1) ... [2022-12-13 21:59:59,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:59:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:59:59,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:59:59,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:59:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:59:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:59:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:59:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 21:59:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:59:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 22:00:00,096 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:00:00,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:00:00,223 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:00:00,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:00:00,227 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:00:00,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:00:00 BoogieIcfgContainer [2022-12-13 22:00:00,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:00:00,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:00:00,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:00:00,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:00:00,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:59:58" (1/3) ... [2022-12-13 22:00:00,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc8db15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:00:00, skipping insertion in model container [2022-12-13 22:00:00,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:59:59" (2/3) ... [2022-12-13 22:00:00,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc8db15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:00:00, skipping insertion in model container [2022-12-13 22:00:00,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:00:00" (3/3) ... [2022-12-13 22:00:00,237 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_66_bad.i [2022-12-13 22:00:00,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:00:00,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:00:00,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:00:00,293 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;@2596bb20, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:00:00,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:00:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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 22:00:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:00:00,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:00:00,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:00:00,303 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:00:00,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:00:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-12-13 22:00:00,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:00:00,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674240196] [2022-12-13 22:00:00,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:00:00,321 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 22:00:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:00:00,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 22:00:00,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 22:00:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:00,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 22:00:00,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:00:00,455 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 22:00:00,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:00:00,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:00:00,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674240196] [2022-12-13 22:00:00,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674240196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:00:00,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:00:00,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:00:00,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448029130] [2022-12-13 22:00:00,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:00:00,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:00:00,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:00:00,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:00:00,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:00:00,484 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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 22:00:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:00:00,496 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 22:00:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:00:00,498 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 22:00:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:00:00,502 INFO L225 Difference]: With dead ends: 23 [2022-12-13 22:00:00,502 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 22:00:00,504 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 [2022-12-13 22:00:00,506 INFO L413 NwaCegarLoop]: 25 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, 25 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 22:00:00,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:00:00,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 22:00:00,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 22:00:00,529 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 22:00:00,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 22:00:00,530 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 22:00:00,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:00:00,531 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 22:00:00,531 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 22:00:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 22:00:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 22:00:00,532 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:00:00,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:00:00,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 22:00:00,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 22:00:00,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:00:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:00:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2022-12-13 22:00:00,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:00:00,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206455175] [2022-12-13 22:00:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:00:00,741 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 22:00:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:00:00,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 22:00:00,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 (3)] Waiting until timeout for monitored process [2022-12-13 22:00:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:00:00,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:00:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:00:01,018 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 22:00:01,018 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:00:01,020 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:00:01,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:00:01,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 (3)] Ended with exit code 0 [2022-12-13 22:00:01,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/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 22:00:01,233 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 22:00:01,243 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:00:01,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:00:01 BoogieIcfgContainer [2022-12-13 22:00:01,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:00:01,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:00:01,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:00:01,310 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:00:01,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:00:00" (3/4) ... [2022-12-13 22:00:01,319 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:00:01,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:00:01,322 INFO L158 Benchmark]: Toolchain (without parser) took 2411.62ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 53.2MB in the end (delta: -350.5kB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-13 22:00:01,323 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:00:01,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.58ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 52.6MB in the beginning and 72.1MB in the end (delta: -19.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-12-13 22:00:01,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.76ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 69.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:00:01,327 INFO L158 Benchmark]: Boogie Preprocessor took 30.49ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:00:01,329 INFO L158 Benchmark]: RCFGBuilder took 322.89ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 51.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:00:01,330 INFO L158 Benchmark]: TraceAbstraction took 1076.19ms. Allocated memory is still 102.8MB. Free memory was 51.3MB in the beginning and 53.2MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:00:01,331 INFO L158 Benchmark]: Witness Printer took 10.38ms. Allocated memory is still 102.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:00:01,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.58ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 52.6MB in the beginning and 72.1MB in the end (delta: -19.5MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.76ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 69.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.49ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 67.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.89ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 51.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1076.19ms. Allocated memory is still 102.8MB. Free memory was 51.3MB in the beginning and 53.2MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.38ms. Allocated memory is still 102.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1580]: 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_postinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_postinc_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data++ VAL [data=2147483647, data++=2147483647, dataArray={7:0}, dataArray={7:0}, 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: 1580]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 25 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, 25 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=23occurred 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, 88 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 [2022-12-13 22:00:01,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1ffe8c-a7c1-42ac-985e-109e95a5884b/bin/uautomizer-uyxdKDjOR8/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