./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 --- 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 [2022-12-14 14:31:58,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:31:58,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:31:58,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:31:58,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:31:58,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:31:58,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:31:58,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:31:58,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:31:58,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:31:59,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:31:59,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:31:59,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:31:59,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:31:59,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:31:59,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:31:59,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:31:59,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:31:59,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:31:59,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:31:59,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:31:59,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:31:59,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:31:59,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:31:59,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:31:59,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:31:59,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:31:59,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:31:59,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:31:59,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:31:59,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:31:59,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:31:59,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:31:59,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:31:59,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:31:59,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:31:59,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:31:59,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:31:59,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:31:59,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:31:59,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:31:59,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 14:31:59,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:31:59,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:31:59,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:31:59,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:31:59,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:31:59,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:31:59,034 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:31:59,035 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:31:59,035 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:31:59,035 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:31:59,035 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:31:59,035 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:31:59,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:31:59,036 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:31:59,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:31:59,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:31:59,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:31:59,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:31:59,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:31:59,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:31:59,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:31:59,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 [2022-12-14 14:31:59,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:31:59,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:31:59,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:31:59,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:31:59,246 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:31:59,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-14 14:32:01,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:32:02,057 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:32:02,057 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-14 14:32:02,071 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data/1e0bf4943/dfee471878594cae98504ead186e2e95/FLAG9fba5fcf4 [2022-12-14 14:32:02,082 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data/1e0bf4943/dfee471878594cae98504ead186e2e95 [2022-12-14 14:32:02,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:32:02,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:32:02,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:32:02,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:32:02,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:32:02,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c6d61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02, skipping insertion in model container [2022-12-14 14:32:02,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:32:02,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:32:02,416 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:32:02,703 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:32:02,707 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:02,708 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:02,710 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:02,710 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:02,729 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:32:02,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:32:02,737 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:32:02,751 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:32:02,783 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:32:02,785 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:02,785 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:02,787 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:02,788 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:02,792 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:32:02,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:32:02,886 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:32:02,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02 WrapperNode [2022-12-14 14:32:02,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:32:02,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:32:02,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:32:02,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:32:02,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,924 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-14 14:32:02,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:32:02,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:32:02,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:32:02,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:32:02,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,940 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:32:02,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:32:02,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:32:02,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:32:02,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (1/1) ... [2022-12-14 14:32:02,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:32:02,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:32:02,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:32:02,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:32:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 14:32:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 14:32:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:32:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:32:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:32:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 14:32:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:32:03,130 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:32:03,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:32:03,261 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:32:03,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:32:03,326 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:32:03,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:32:03 BoogieIcfgContainer [2022-12-14 14:32:03,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:32:03,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:32:03,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:32:03,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:32:03,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:32:02" (1/3) ... [2022-12-14 14:32:03,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf78576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:32:03, skipping insertion in model container [2022-12-14 14:32:03,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:02" (2/3) ... [2022-12-14 14:32:03,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf78576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:32:03, skipping insertion in model container [2022-12-14 14:32:03,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:32:03" (3/3) ... [2022-12-14 14:32:03,337 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-14 14:32:03,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:32:03,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:32:03,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:32:03,393 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=FINITE_AUTOMATA, 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;@264f220d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:32:03,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:32:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 14:32:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 14:32:03,401 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:32:03,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:32:03,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:32:03,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:32:03,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1699350023, now seen corresponding path program 1 times [2022-12-14 14:32:03,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:32:03,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541224459] [2022-12-14 14:32:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:32:03,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:32:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:32:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:32:03,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:32:03,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541224459] [2022-12-14 14:32:03,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541224459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:32:03,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:32:03,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:32:03,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656895958] [2022-12-14 14:32:03,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:32:03,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:32:03,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:32:03,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:32:03,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:32:03,830 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 14:32:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:32:03,880 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-14 14:32:03,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:32:03,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 7 [2022-12-14 14:32:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:32:03,887 INFO L225 Difference]: With dead ends: 14 [2022-12-14 14:32:03,887 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 14:32:03,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:32:03,892 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:32:03,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 13 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:32:03,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 14:32:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 14:32:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-12-14 14:32:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 14:32:03,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 14:32:03,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:32:03,917 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 14:32:03,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-12-14 14:32:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 14:32:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:32:03,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:32:03,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:32:03,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:32:03,918 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:32:03,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:32:03,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1140243217, now seen corresponding path program 1 times [2022-12-14 14:32:03,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:32:03,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026423735] [2022-12-14 14:32:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:32:03,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:32:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:32:03,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:32:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:32:04,017 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:32:04,018 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:32:04,019 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 14:32:04,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 14:32:04,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:32:04,023 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:32:04,026 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:32:04,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:32:04 BoogieIcfgContainer [2022-12-14 14:32:04,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:32:04,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:32:04,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:32:04,044 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:32:04,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:32:03" (3/4) ... [2022-12-14 14:32:04,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 14:32:04,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:32:04,048 INFO L158 Benchmark]: Toolchain (without parser) took 1963.02ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 129.7MB in the beginning and 167.7MB in the end (delta: -38.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:32:04,048 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:32:04,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.50ms. Allocated memory is still 174.1MB. Free memory was 129.1MB in the beginning and 136.2MB in the end (delta: -7.1MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2022-12-14 14:32:04,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 174.1MB. Free memory was 136.2MB in the beginning and 133.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 14:32:04,049 INFO L158 Benchmark]: Boogie Preprocessor took 18.22ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:32:04,049 INFO L158 Benchmark]: RCFGBuilder took 385.35ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 113.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 14:32:04,050 INFO L158 Benchmark]: TraceAbstraction took 712.29ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 112.3MB in the beginning and 167.7MB in the end (delta: -55.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:32:04,050 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 209.7MB. Free memory is still 167.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:32:04,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 146.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.50ms. Allocated memory is still 174.1MB. Free memory was 129.1MB in the beginning and 136.2MB in the end (delta: -7.1MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 174.1MB. Free memory was 136.2MB in the beginning and 133.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.22ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 131.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.35ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 113.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 712.29ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 112.3MB in the beginning and 167.7MB in the end (delta: -55.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 209.7MB. Free memory is still 167.7MB. 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1564, overapproximation of bitwiseAnd at line 1564. 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data++ VAL [\old(data)=2147483647, badStatic=1, 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: 1554]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 [2022-12-14 14:32:04,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 --- 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 [2022-12-14 14:32:05,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:32:05,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:32:05,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:32:05,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:32:05,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:32:05,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:32:05,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:32:05,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:32:05,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:32:05,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:32:05,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:32:05,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:32:05,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:32:05,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:32:05,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:32:05,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:32:05,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:32:05,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:32:05,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:32:05,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:32:05,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:32:05,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:32:05,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:32:05,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:32:05,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:32:05,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:32:05,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:32:05,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:32:05,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:32:05,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:32:05,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:32:05,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:32:05,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:32:05,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:32:05,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:32:05,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:32:05,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:32:05,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:32:05,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:32:05,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:32:05,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 14:32:05,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:32:05,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:32:05,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:32:05,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:32:05,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:32:05,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:32:05,666 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:32:05,666 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:32:05,666 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:32:05,666 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:32:05,666 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:32:05,666 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:32:05,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:32:05,667 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:32:05,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:32:05,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:32:05,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:32:05,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:32:05,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:32:05,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:32:05,669 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:32:05,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:32:05,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:32:05,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:32:05,670 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 [2022-12-14 14:32:05,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:32:05,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:32:05,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:32:05,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:32:05,898 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:32:05,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-14 14:32:08,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:32:08,711 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:32:08,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-14 14:32:08,734 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data/0130a580c/231e90087c7c4cf4b0ac2a6627dd121b/FLAGafcc15f3b [2022-12-14 14:32:08,744 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/data/0130a580c/231e90087c7c4cf4b0ac2a6627dd121b [2022-12-14 14:32:08,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:32:08,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:32:08,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:32:08,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:32:08,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:32:08,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:32:08" (1/1) ... [2022-12-14 14:32:08,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d6cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:08, skipping insertion in model container [2022-12-14 14:32:08,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:32:08" (1/1) ... [2022-12-14 14:32:08,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:32:08,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:32:09,081 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:32:09,381 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:32:09,386 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:09,387 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:09,389 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:09,390 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:09,412 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:32:09,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:32:09,427 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:32:09,444 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 14:32:09,498 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 14:32:09,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:09,500 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 14:32:09,502 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:09,503 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 14:32:09,507 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 14:32:09,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:32:09,622 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:32:09,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09 WrapperNode [2022-12-14 14:32:09,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:32:09,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:32:09,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:32:09,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:32:09,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,660 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-14 14:32:09,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:32:09,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:32:09,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:32:09,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:32:09,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:32:09,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:32:09,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:32:09,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:32:09,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (1/1) ... [2022-12-14 14:32:09,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:32:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:32:09,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:32:09,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:32:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 14:32:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 14:32:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 14:32:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:32:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:32:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:32:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 14:32:09,860 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:32:09,862 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:32:09,985 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:32:09,991 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:32:09,991 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:32:09,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:32:09 BoogieIcfgContainer [2022-12-14 14:32:09,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:32:09,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:32:09,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:32:09,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:32:09,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:32:08" (1/3) ... [2022-12-14 14:32:10,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c53cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:32:09, skipping insertion in model container [2022-12-14 14:32:10,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:32:09" (2/3) ... [2022-12-14 14:32:10,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c53cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:32:10, skipping insertion in model container [2022-12-14 14:32:10,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:32:09" (3/3) ... [2022-12-14 14:32:10,001 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-14 14:32:10,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:32:10,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:32:10,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:32:10,072 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=FINITE_AUTOMATA, 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;@6c9cc25f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:32:10,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:32:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) [2022-12-14 14:32:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 14:32:10,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:32:10,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:32:10,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:32:10,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:32:10,088 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-14 14:32:10,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:32:10,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906598321] [2022-12-14 14:32:10,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:32:10,098 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 [2022-12-14 14:32:10,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:32:10,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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) [2022-12-14 14:32:10,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 [2022-12-14 14:32:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:32:10,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 14:32:10,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:32:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:32:10,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:32:10,242 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:32:10,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906598321] [2022-12-14 14:32:10,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906598321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:32:10,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:32:10,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 14:32:10,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649142581] [2022-12-14 14:32:10,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:32:10,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:32:10,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:32:10,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:32:10,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:32:10,277 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-14 14:32:10,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:32:10,292 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-14 14:32:10,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:32:10,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2022-12-14 14:32:10,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:32:10,298 INFO L225 Difference]: With dead ends: 23 [2022-12-14 14:32:10,303 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 14:32:10,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:32:10,308 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:32:10,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:32:10,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 14:32:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 14:32:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-12-14 14:32:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 14:32:10,337 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-14 14:32:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:32:10,337 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 14:32:10,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-14 14:32:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 14:32:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:32:10,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:32:10,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:32:10,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 [2022-12-14 14:32:10,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 [2022-12-14 14:32:10,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 14:32:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:32:10,539 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-14 14:32:10,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:32:10,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118886695] [2022-12-14 14:32:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:32:10,540 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 [2022-12-14 14:32:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:32:10,541 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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) [2022-12-14 14:32:10,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 [2022-12-14 14:32:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:32:10,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:32:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:32:10,657 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 14:32:10,658 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:32:10,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 14:32:10,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 14:32:10,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 [2022-12-14 14:32:10,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 [2022-12-14 14:32:10,872 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:32:10,884 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:32:10,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:32:10 BoogieIcfgContainer [2022-12-14 14:32:10,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:32:10,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:32:10,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:32:10,931 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:32:10,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:32:09" (3/4) ... [2022-12-14 14:32:10,933 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 14:32:10,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:32:10,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:32:10,972 INFO L158 Benchmark]: Toolchain (without parser) took 2224.32ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 30.2MB in the beginning and 56.8MB in the end (delta: -26.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,972 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:32:10,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.10ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.9MB in the beginning and 46.9MB in the end (delta: -17.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.96ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 43.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,983 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,984 INFO L158 Benchmark]: RCFGBuilder took 311.20ms. Allocated memory is still 86.0MB. Free memory was 41.6MB in the beginning and 52.4MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,984 INFO L158 Benchmark]: TraceAbstraction took 934.74ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 46.1MB in the end (delta: 5.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,985 INFO L158 Benchmark]: Witness Printer took 40.08ms. Allocated memory is still 86.0MB. Free memory was 46.1MB in the beginning and 56.8MB in the end (delta: -10.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-12-14 14:32:10,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.10ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.9MB in the beginning and 46.9MB in the end (delta: -17.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.96ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 43.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.20ms. Allocated memory is still 86.0MB. Free memory was 41.6MB in the beginning and 52.4MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 934.74ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 46.1MB in the end (delta: 5.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 40.08ms. Allocated memory is still 86.0MB. Free memory was 46.1MB in the beginning and 56.8MB in the end (delta: -10.7MB). Peak memory consumption was 6.8MB. 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 - CounterExampleResult [Line: 1554]: integer overflow possible integer overflow possible We found a 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); [L1548] static int badStatic = 0; VAL [badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_postinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [badStatic=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=65536, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data++ VAL [\old(data)=2147483647, badStatic=1, 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 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 proved your program to be incorrect! [2022-12-14 14:32:11,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca68f935-08f4-4125-bf2d-e3f18fc17093/bin/utaipan-gh47qXpMRh/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)