./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur --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 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 --- 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-38b53e6 [2022-11-25 23:20:36,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:20:36,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:20:37,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:20:37,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:20:37,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:20:37,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:20:37,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:20:37,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:20:37,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:20:37,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:20:37,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:20:37,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:20:37,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:20:37,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:20:37,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:20:37,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:20:37,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:20:37,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:20:37,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:20:37,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:20:37,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:20:37,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:20:37,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:20:37,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:20:37,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:20:37,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:20:37,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:20:37,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:20:37,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:20:37,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:20:37,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:20:37,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:20:37,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:20:37,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:20:37,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:20:37,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:20:37,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:20:37,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:20:37,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:20:37,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:20:37,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:20:37,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:20:37,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:20:37,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:20:37,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:20:37,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:20:37,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:20:37,100 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:20:37,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:20:37,100 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:20:37,101 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:20:37,102 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:20:37,102 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:20:37,102 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:20:37,103 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:20:37,103 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:20:37,103 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:20:37,103 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:20:37,104 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:20:37,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:20:37,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:20:37,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:20:37,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:20:37,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:20:37,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:20:37,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:20:37,107 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:20:37,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:20:37,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:20:37,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:20:37,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:20:37,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:20:37,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:20:37,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:20:37,110 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:20:37,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:20:37,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:20:37,111 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:20:37,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:20:37,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:20:37,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:20:37,111 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_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 [2022-11-25 23:20:37,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:20:37,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:20:37,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:20:37,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:20:37,458 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:20:37,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 23:20:40,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:20:40,868 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:20:40,869 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 23:20:40,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data/dfc7bf277/9681dd5d472d46d8874a1196753c9727/FLAGe0b146867 [2022-11-25 23:20:40,906 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data/dfc7bf277/9681dd5d472d46d8874a1196753c9727 [2022-11-25 23:20:40,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:20:40,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:20:40,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:40,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:20:40,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:20:40,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:40" (1/1) ... [2022-11-25 23:20:40,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0e9a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:40, skipping insertion in model container [2022-11-25 23:20:40,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:40" (1/1) ... [2022-11-25 23:20:40,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:20:40,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:20:41,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:20:41,888 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:20:41,894 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:41,897 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:41,900 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:41,901 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:41,932 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:20:41,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:20:41,952 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:20:41,974 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:20:42,051 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:20:42,054 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:42,056 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:42,066 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:42,067 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:42,078 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:20:42,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:20:42,248 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:20:42,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42 WrapperNode [2022-11-25 23:20:42,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:42,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:20:42,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:20:42,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:20:42,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,340 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-11-25 23:20:42,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:20:42,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:20:42,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:20:42,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:20:42,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,366 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:20:42,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:20:42,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:20:42,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:20:42,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (1/1) ... [2022-11-25 23:20:42,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:20:42,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:42,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:20:42,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:20:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:20:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:20:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:20:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:20:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:20:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:20:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:20:42,609 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:20:42,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:20:42,848 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:20:42,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:20:42,978 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:20:42,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:20:42 BoogieIcfgContainer [2022-11-25 23:20:42,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:20:42,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:20:42,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:20:43,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:20:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:20:40" (1/3) ... [2022-11-25 23:20:43,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3156d2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:20:43, skipping insertion in model container [2022-11-25 23:20:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:42" (2/3) ... [2022-11-25 23:20:43,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3156d2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:20:43, skipping insertion in model container [2022-11-25 23:20:43,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:20:42" (3/3) ... [2022-11-25 23:20:43,003 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 23:20:43,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:20:43,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:20:43,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:20:43,090 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;@5cef02bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:20:43,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:20:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2022-11-25 23:20:43,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:20:43,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:43,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:20:43,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:20:43,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:43,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1907712766, now seen corresponding path program 1 times [2022-11-25 23:20:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:43,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369042783] [2022-11-25 23:20:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:20:43,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:43,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369042783] [2022-11-25 23:20:43,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369042783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:43,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:43,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:20:43,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464480222] [2022-11-25 23:20:43,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:43,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:20:43,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:43,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:20:43,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:20:43,778 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-25 23:20:43,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:43,852 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 23:20:43,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:20:43,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2022-11-25 23:20:43,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:43,885 INFO L225 Difference]: With dead ends: 12 [2022-11-25 23:20:43,887 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 23:20:43,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:20:43,897 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:43,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:20:43,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 23:20:43,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 23:20:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-11-25 23:20:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 23:20:43,933 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 23:20:43,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:43,933 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 23:20:43,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-25 23:20:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 23:20:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:20:43,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:43,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:43,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:20:43,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:20:43,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash 990446451, now seen corresponding path program 1 times [2022-11-25 23:20:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:43,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122232040] [2022-11-25 23:20:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:20:44,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:20:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:20:44,107 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:20:44,108 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:20:44,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:20:44,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:20:44,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:20:44,115 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:20:44,119 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:20:44,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:20:44 BoogieIcfgContainer [2022-11-25 23:20:44,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:20:44,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:20:44,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:20:44,171 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:20:44,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:20:42" (3/4) ... [2022-11-25 23:20:44,176 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:20:44,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:20:44,176 INFO L158 Benchmark]: Toolchain (without parser) took 3265.70ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 113.4MB in the end (delta: 5.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-25 23:20:44,177 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 82.2MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:44,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.97ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 125.9MB in the end (delta: -7.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-11-25 23:20:44,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.75ms. Allocated memory is still 161.5MB. Free memory was 125.8MB in the beginning and 127.5MB in the end (delta: -1.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-25 23:20:44,178 INFO L158 Benchmark]: Boogie Preprocessor took 28.37ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 126.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:44,179 INFO L158 Benchmark]: RCFGBuilder took 624.59ms. Allocated memory is still 161.5MB. Free memory was 126.3MB in the beginning and 106.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:20:44,179 INFO L158 Benchmark]: TraceAbstraction took 1168.84ms. Allocated memory is still 161.5MB. Free memory was 105.6MB in the beginning and 113.4MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:44,180 INFO L158 Benchmark]: Witness Printer took 9.47ms. Allocated memory is still 161.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:44,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 82.2MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.97ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 125.9MB in the end (delta: -7.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.75ms. Allocated memory is still 161.5MB. Free memory was 125.8MB in the beginning and 127.5MB in the end (delta: -1.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.37ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 126.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 624.59ms. Allocated memory is still 161.5MB. Free memory was 126.3MB in the beginning and 106.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1168.84ms. Allocated memory is still 161.5MB. Free memory was 105.6MB in the beginning and 113.4MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.47ms. Allocated memory is still 161.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_add_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_add_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_add_54e_badSink(data) [L1582] data + 1 VAL [\old(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: 1582]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-11-25 23:20:44,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur --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 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 --- 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-38b53e6 [2022-11-25 23:20:46,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:20:46,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:20:46,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:20:46,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:20:46,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:20:46,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:20:46,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:20:46,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:20:46,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:20:46,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:20:46,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:20:46,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:20:46,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:20:46,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:20:46,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:20:46,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:20:46,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:20:46,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:20:46,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:20:46,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:20:46,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:20:46,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:20:46,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:20:46,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:20:46,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:20:46,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:20:46,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:20:46,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:20:46,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:20:46,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:20:46,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:20:46,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:20:46,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:20:46,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:20:46,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:20:46,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:20:46,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:20:46,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:20:46,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:20:46,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:20:46,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:20:46,873 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:20:46,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:20:46,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:20:46,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:20:46,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:20:46,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:20:46,876 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:20:46,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:20:46,877 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:20:46,877 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:20:46,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:20:46,878 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:20:46,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:20:46,879 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:20:46,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:20:46,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:20:46,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:20:46,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:20:46,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:20:46,880 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:20:46,880 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:20:46,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:20:46,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:20:46,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:20:46,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:20:46,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:20:46,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:20:46,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:20:46,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:20:46,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:20:46,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:20:46,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:20:46,883 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:20:46,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:20:46,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:20:46,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:20:46,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:20:46,884 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_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 [2022-11-25 23:20:47,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:20:47,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:20:47,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:20:47,296 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:20:47,297 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:20:47,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 23:20:50,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:20:50,959 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:20:50,959 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 23:20:50,986 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data/4bb53bb6e/9be6285d8ffb43e6993711452d131222/FLAGb63565053 [2022-11-25 23:20:51,008 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/data/4bb53bb6e/9be6285d8ffb43e6993711452d131222 [2022-11-25 23:20:51,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:20:51,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:20:51,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:51,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:20:51,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:20:51,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:51" (1/1) ... [2022-11-25 23:20:51,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f162975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:51, skipping insertion in model container [2022-11-25 23:20:51,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:20:51" (1/1) ... [2022-11-25 23:20:51,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:20:51,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:20:51,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:20:51,956 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:20:51,963 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:51,964 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:51,967 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:51,968 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:52,009 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:20:52,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:20:52,041 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:20:52,076 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:20:52,155 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:20:52,157 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:52,158 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:20:52,160 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:52,160 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:20:52,164 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:20:52,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:20:52,353 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:20:52,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52 WrapperNode [2022-11-25 23:20:52,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:20:52,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:20:52,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:20:52,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:20:52,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,428 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-11-25 23:20:52,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:20:52,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:20:52,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:20:52,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:20:52,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:20:52,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:20:52,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:20:52,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:20:52,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (1/1) ... [2022-11-25 23:20:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:20:52,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:52,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:20:52,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:20:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:20:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:20:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:20:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:20:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:20:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:20:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:20:52,810 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:20:52,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:20:52,982 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:20:52,988 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:20:52,988 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:20:52,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:20:52 BoogieIcfgContainer [2022-11-25 23:20:52,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:20:52,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:20:52,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:20:53,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:20:53,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:20:51" (1/3) ... [2022-11-25 23:20:53,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f6012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:20:53, skipping insertion in model container [2022-11-25 23:20:53,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:20:52" (2/3) ... [2022-11-25 23:20:53,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f6012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:20:53, skipping insertion in model container [2022-11-25 23:20:53,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:20:52" (3/3) ... [2022-11-25 23:20:53,008 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 23:20:53,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:20:53,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:20:53,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:20:53,102 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;@178b7ea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:20:53,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:20:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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) [2022-11-25 23:20:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:20:53,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:53,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:53,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:20:53,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:53,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-11-25 23:20:53,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:20:53,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841960463] [2022-11-25 23:20:53,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:53,135 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 [2022-11-25 23:20:53,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:20:53,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:20:53,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:20:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:53,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 23:20:53,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:20:53,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:20:53,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:20:53,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841960463] [2022-11-25 23:20:53,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841960463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:53,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:53,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:20:53,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064963055] [2022-11-25 23:20:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:53,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:20:53,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:20:53,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:20:53,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:20:53,329 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:20:53,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:53,348 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-11-25 23:20:53,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:20:53,350 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 23:20:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:53,357 INFO L225 Difference]: With dead ends: 25 [2022-11-25 23:20:53,358 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 23:20:53,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:20:53,364 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:53,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:20:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 23:20:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 23:20:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-11-25 23:20:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 23:20:53,401 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 23:20:53,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:53,401 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 23:20:53,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:20:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 23:20:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:20:53,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:53,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:53,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:20:53,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:20:53,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:20:53,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:53,617 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-11-25 23:20:53,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:20:53,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224463486] [2022-11-25 23:20:53,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:53,618 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 [2022-11-25 23:20:53,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:20:53,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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) [2022-11-25 23:20:53,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:20:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:20:53,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:20:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:20:53,838 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 23:20:53,839 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:20:53,841 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:20:53,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:20:53,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:20:54,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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 [2022-11-25 23:20:54,048 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:20:54,058 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:20:54,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:20:54 BoogieIcfgContainer [2022-11-25 23:20:54,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:20:54,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:20:54,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:20:54,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:20:54,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:20:52" (3/4) ... [2022-11-25 23:20:54,101 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:20:54,162 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:20:54,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:20:54,170 INFO L158 Benchmark]: Toolchain (without parser) took 3157.79ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 49.6MB in the beginning and 75.8MB in the end (delta: -26.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,170 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:20:54,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1339.81ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 60.1MB in the end (delta: -10.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.15ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 56.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,172 INFO L158 Benchmark]: Boogie Preprocessor took 31.10ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,173 INFO L158 Benchmark]: RCFGBuilder took 524.12ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 41.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,173 INFO L158 Benchmark]: TraceAbstraction took 1098.92ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 40.7MB in the beginning and 78.9MB in the end (delta: -38.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,174 INFO L158 Benchmark]: Witness Printer took 76.00ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 75.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:20:54,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1339.81ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.5MB in the beginning and 60.1MB in the end (delta: -10.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.15ms. Allocated memory is still 92.3MB. Free memory was 60.1MB in the beginning and 56.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.10ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.12ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 41.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1098.92ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 40.7MB in the beginning and 78.9MB in the end (delta: -38.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Witness Printer took 76.00ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 75.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1582]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [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()=0, rand()=0, rand()=65536, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_add_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_add_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_add_54e_badSink(data) [L1582] data + 1 VAL [\old(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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 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! [2022-11-25 23:20:54,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b652ebbb-cfd8-441a-936a-0690fe8effe4/bin/utaipan-ByfvJB40ur/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)