./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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_e3803962-d43f-4b65-932d-a1f468142d78/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 d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 --- 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 13:08:58,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:08:58,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:08:58,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:08:58,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:08:58,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:08:58,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:08:58,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:08:58,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:08:58,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:08:58,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:08:58,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:08:58,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:08:58,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:08:58,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:08:58,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:08:58,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:08:58,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:08:58,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:08:58,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:08:58,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:08:58,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:08:58,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:08:58,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:08:58,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:08:58,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:08:58,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:08:58,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:08:58,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:08:58,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:08:58,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:08:58,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:08:58,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:08:58,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:08:58,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:08:58,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:08:58,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:08:58,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:08:58,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:08:58,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:08:58,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:08:58,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:08:58,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:08:58,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:08:58,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:08:58,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:08:58,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:08:58,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:08:58,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:08:58,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:08:58,842 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:08:58,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:08:58,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:08:58,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:08:58,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:08:58,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:08:58,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:08:58,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:08:58,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:08:58,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:08:58,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:08:58,845 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:08:58,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:08:58,845 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:08:58,845 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_e3803962-d43f-4b65-932d-a1f468142d78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 [2022-12-13 13:08:59,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:08:59,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:08:59,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:08:59,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:08:59,032 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:08:59,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2022-12-13 13:09:01,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:09:01,896 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:09:01,896 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2022-12-13 13:09:01,911 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data/af5a7a5e2/d0596fc3ba0a46feb87c1287d767a48d/FLAGe52b866f1 [2022-12-13 13:09:01,921 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data/af5a7a5e2/d0596fc3ba0a46feb87c1287d767a48d [2022-12-13 13:09:01,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:09:01,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:09:01,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:09:01,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:09:01,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:09:01,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:09:01" (1/1) ... [2022-12-13 13:09:01,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51162915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:01, skipping insertion in model container [2022-12-13 13:09:01,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:09:01" (1/1) ... [2022-12-13 13:09:01,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:09:01,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:09:02,195 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:09:02,569 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:09:02,574 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:02,575 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:02,577 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:02,578 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:02,598 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:09:02,602 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:09:02,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:09:02,618 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:09:02,635 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:09:02,680 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:09:02,682 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:02,683 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:02,685 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:02,686 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:02,690 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:09:02,692 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:09:02,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:09:02,832 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:09:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02 WrapperNode [2022-12-13 13:09:02,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:09:02,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:09:02,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:09:02,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:09:02,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,871 INFO L138 Inliner]: procedures = 503, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 60 [2022-12-13 13:09:02,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:09:02,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:09:02,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:09:02,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:09:02,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:09:02,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:09:02,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:09:02,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:09:02,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (1/1) ... [2022-12-13 13:09:02,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:09:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:09:02,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:09:02,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:09:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:09:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:09:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:09:03,061 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:09:03,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:09:03,174 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:09:03,179 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:09:03,180 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:09:03,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:09:03 BoogieIcfgContainer [2022-12-13 13:09:03,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:09:03,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:09:03,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:09:03,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:09:03,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:09:01" (1/3) ... [2022-12-13 13:09:03,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1fe763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:09:03, skipping insertion in model container [2022-12-13 13:09:03,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:02" (2/3) ... [2022-12-13 13:09:03,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1fe763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:09:03, skipping insertion in model container [2022-12-13 13:09:03,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:09:03" (3/3) ... [2022-12-13 13:09:03,190 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2022-12-13 13:09:03,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:09:03,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:09:03,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:09:03,258 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;@4b186fc5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:09:03,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:09:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 13:09:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:09:03,267 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:09:03,268 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:09:03,268 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:09:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:09:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash 290656206, now seen corresponding path program 1 times [2022-12-13 13:09:03,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:09:03,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778501414] [2022-12-13 13:09:03,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:09:03,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:09:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:09:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:09:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:09:03,645 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 13:09:03,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:09:03,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778501414] [2022-12-13 13:09:03,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778501414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:09:03,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:09:03,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:09:03,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892288786] [2022-12-13 13:09:03,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:09:03,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:09:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:09:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:09:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:09:03,679 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:09:03,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:09:03,713 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-12-13 13:09:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:09:03,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 13:09:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:09:03,720 INFO L225 Difference]: With dead ends: 25 [2022-12-13 13:09:03,720 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:09:03,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:09:03,724 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:09:03,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:09:03,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:09:03,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 13:09:03,747 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 13:09:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 13:09:03,749 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 13:09:03,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:09:03,750 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 13:09:03,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:09:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 13:09:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:09:03,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:09:03,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:09:03,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:09:03,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:09:03,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:09:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash 420407848, now seen corresponding path program 1 times [2022-12-13 13:09:03,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:09:03,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36314945] [2022-12-13 13:09:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:09:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:09:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:09:03,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:09:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:09:03,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:09:03,797 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:09:03,798 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:09:03,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:09:03,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:09:03,802 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:09:03,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:09:03,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:09:03 BoogieIcfgContainer [2022-12-13 13:09:03,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:09:03,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:09:03,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:09:03,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:09:03,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:09:03" (3/4) ... [2022-12-13 13:09:03,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:09:03,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:09:03,828 INFO L158 Benchmark]: Toolchain (without parser) took 1904.10ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 100.7MB in the beginning and 98.4MB in the end (delta: 2.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-12-13 13:09:03,829 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory was 110.0MB in the beginning and 110.0MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:09:03,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.42ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 100.4MB in the beginning and 106.9MB in the end (delta: -6.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2022-12-13 13:09:03,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.34ms. Allocated memory is still 161.5MB. Free memory was 106.9MB in the beginning and 104.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:09:03,830 INFO L158 Benchmark]: Boogie Preprocessor took 17.40ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:09:03,831 INFO L158 Benchmark]: RCFGBuilder took 291.79ms. Allocated memory is still 161.5MB. Free memory was 102.7MB in the beginning and 89.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:09:03,831 INFO L158 Benchmark]: TraceAbstraction took 639.90ms. Allocated memory is still 161.5MB. Free memory was 89.3MB in the beginning and 98.4MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:09:03,832 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 161.5MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:09:03,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory was 110.0MB in the beginning and 110.0MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.42ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 100.4MB in the beginning and 106.9MB in the end (delta: -6.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.34ms. Allocated memory is still 161.5MB. Free memory was 106.9MB in the beginning and 104.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.40ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.79ms. Allocated memory is still 161.5MB. Free memory was 102.7MB in the beginning and 89.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 639.90ms. Allocated memory is still 161.5MB. Free memory was 89.3MB in the beginning and 98.4MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 161.5MB. Free memory is still 98.4MB. 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: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483649:2147483654}, argv={2147483649:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_53_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_53d_badSink(data) [L1587] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, 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: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:09:03,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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_e3803962-d43f-4b65-932d-a1f468142d78/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 d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 --- 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 13:09:05,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:09:05,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:09:05,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:09:05,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:09:05,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:09:05,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:09:05,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:09:05,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:09:05,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:09:05,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:09:05,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:09:05,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:09:05,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:09:05,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:09:05,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:09:05,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:09:05,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:09:05,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:09:05,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:09:05,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:09:05,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:09:05,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:09:05,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:09:05,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:09:05,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:09:05,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:09:05,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:09:05,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:09:05,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:09:05,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:09:05,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:09:05,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:09:05,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:09:05,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:09:05,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:09:05,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:09:05,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:09:05,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:09:05,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:09:05,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:09:05,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:09:05,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:09:05,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:09:05,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:09:05,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:09:05,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:09:05,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:09:05,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:09:05,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:09:05,583 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:09:05,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:09:05,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:09:05,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:09:05,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:09:05,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:09:05,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:09:05,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:09:05,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:09:05,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:09:05,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:09:05,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:09:05,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:09:05,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:09:05,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:09:05,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:09:05,587 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:09:05,588 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_e3803962-d43f-4b65-932d-a1f468142d78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 [2022-12-13 13:09:05,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:09:05,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:09:05,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:09:05,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:09:05,883 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:09:05,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2022-12-13 13:09:08,410 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:09:08,630 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:09:08,631 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2022-12-13 13:09:08,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data/84a25dc7a/1069524df8874ff4994b4f1da2c8226c/FLAGa3478373b [2022-12-13 13:09:08,656 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/data/84a25dc7a/1069524df8874ff4994b4f1da2c8226c [2022-12-13 13:09:08,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:09:08,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:09:08,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:09:08,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:09:08,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:09:08,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:09:08" (1/1) ... [2022-12-13 13:09:08,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5d31a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:08, skipping insertion in model container [2022-12-13 13:09:08,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:09:08" (1/1) ... [2022-12-13 13:09:08,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:09:08,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:09:09,052 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:09:09,394 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:09:09,398 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:09,399 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:09,401 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:09,401 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:09,420 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:09:09,422 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:09:09,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:09:09,439 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:09:09,452 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:09:09,497 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:09:09,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:09,500 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:09:09,502 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:09,503 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:09:09,507 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 13:09:09,508 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:09:09,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:09:09,639 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:09:09,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09 WrapperNode [2022-12-13 13:09:09,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:09:09,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:09:09,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:09:09,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:09:09,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,690 INFO L138 Inliner]: procedures = 508, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2022-12-13 13:09:09,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:09:09,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:09:09,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:09:09,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:09:09,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:09:09,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:09:09,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:09:09,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:09:09,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (1/1) ... [2022-12-13 13:09:09,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:09:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:09:09,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:09:09,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:09:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 13:09:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:09:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:09:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:09:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:09:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:09:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:09:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:09:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:09:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:09:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 13:09:09,911 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:09:09,913 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:09:10,017 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:09:10,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:09:10,021 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:09:10,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:09:10 BoogieIcfgContainer [2022-12-13 13:09:10,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:09:10,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:09:10,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:09:10,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:09:10,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:09:08" (1/3) ... [2022-12-13 13:09:10,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5052c996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:09:10, skipping insertion in model container [2022-12-13 13:09:10,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:09:09" (2/3) ... [2022-12-13 13:09:10,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5052c996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:09:10, skipping insertion in model container [2022-12-13 13:09:10,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:09:10" (3/3) ... [2022-12-13 13:09:10,029 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2022-12-13 13:09:10,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:09:10,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:09:10,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:09:10,082 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;@1a488c6e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:09:10,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:09:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 13:09:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 13:09:10,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:09:10,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:09:10,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:09:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:09:10,105 INFO L85 PathProgramCache]: Analyzing trace with hash 290656206, now seen corresponding path program 1 times [2022-12-13 13:09:10,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:09:10,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773061474] [2022-12-13 13:09:10,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:09:10,119 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 13:09:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:09:10,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:09:10,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 13:09:10,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:09:10,281 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 13:09:10,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:09:10,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:09:10,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773061474] [2022-12-13 13:09:10,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773061474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:09:10,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:09:10,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:09:10,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970036220] [2022-12-13 13:09:10,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:09:10,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:09:10,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:09:10,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:09:10,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:09:10,310 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:09:10,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:09:10,323 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-12-13 13:09:10,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:09:10,325 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 13:09:10,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:09:10,329 INFO L225 Difference]: With dead ends: 25 [2022-12-13 13:09:10,329 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:09:10,331 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 13:09:10,334 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:09:10,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:09:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:09:10,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 13:09:10,357 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 13:09:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 13:09:10,358 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 13:09:10,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:09:10,359 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 13:09:10,360 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 13:09:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 13:09:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:09:10,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:09:10,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:09:10,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:09:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:09:10,562 INFO L85 PathProgramCache]: Analyzing trace with hash 420407848, now seen corresponding path program 1 times [2022-12-13 13:09:10,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:09:10,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985631422] [2022-12-13 13:09:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:09:10,563 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 13:09:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:09:10,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:09:10,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:09:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:09:10,708 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:09:10,709 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:09:10,710 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:09:10,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:09:10,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/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 13:09:10,917 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:09:10,921 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:09:10,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:09:10 BoogieIcfgContainer [2022-12-13 13:09:10,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:09:10,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:09:10,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:09:10,948 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:09:10,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:09:10" (3/4) ... [2022-12-13 13:09:10,951 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:09:10,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:09:10,951 INFO L158 Benchmark]: Toolchain (without parser) took 2292.56ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 47.4MB in the end (delta: 28.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-13 13:09:10,952 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:09:10,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 980.28ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 39.5MB in the end (delta: 36.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-12-13 13:09:10,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.64ms. Allocated memory is still 100.7MB. Free memory was 39.5MB in the beginning and 36.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:09:10,953 INFO L158 Benchmark]: Boogie Preprocessor took 31.18ms. Allocated memory is still 100.7MB. Free memory was 36.3MB in the beginning and 74.4MB in the end (delta: -38.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-12-13 13:09:10,954 INFO L158 Benchmark]: RCFGBuilder took 299.73ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 60.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:09:10,954 INFO L158 Benchmark]: TraceAbstraction took 922.68ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 47.4MB in the end (delta: 12.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-13 13:09:10,954 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 100.7MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:09:10,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 980.28ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 39.5MB in the end (delta: 36.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.64ms. Allocated memory is still 100.7MB. Free memory was 39.5MB in the beginning and 36.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.18ms. Allocated memory is still 100.7MB. Free memory was 36.3MB in the beginning and 74.4MB in the end (delta: -38.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 299.73ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 60.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 922.68ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 47.4MB in the end (delta: 12.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 100.7MB. Free memory is still 47.4MB. 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: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_53_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_53d_badSink(data) [L1587] data++ VAL [\old(data)=2147483647, data=2147483647, data++=2147483647, 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: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:09:10,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3803962-d43f-4b65-932d-a1f468142d78/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample