./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- 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 22:35:15,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:35:15,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:35:15,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:35:15,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:35:15,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:35:15,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:35:15,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:35:15,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:35:15,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:35:15,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:35:15,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:35:15,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:35:15,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:35:15,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:35:15,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:35:15,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:35:15,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:35:15,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:35:15,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:35:15,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:35:15,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:35:15,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:35:15,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:35:15,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:35:15,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:35:15,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:35:15,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:35:15,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:35:15,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:35:15,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:35:15,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:35:15,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:35:15,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:35:15,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:35:15,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:35:15,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:35:15,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:35:15,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:35:15,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:35:15,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:35:15,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:35:15,384 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:35:15,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:35:15,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:35:15,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:35:15,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:35:15,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:35:15,386 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:35:15,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:35:15,387 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:35:15,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:35:15,387 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:35:15,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:35:15,388 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:35:15,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:35:15,388 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:35:15,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:35:15,389 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:35:15,389 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:35:15,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:35:15,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:35:15,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:35:15,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:35:15,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:35:15,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:35:15,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:35:15,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:35:15,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:35:15,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:35:15,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:35:15,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:35:15,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:35:15,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:35:15,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:35:15,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:35:15,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:35:15,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:35:15,394 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:35:15,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:35:15,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:35:15,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:35:15,395 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_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2022-11-25 22:35:15,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:35:15,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:35:15,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:35:15,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:35:15,713 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:35:15,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-11-25 22:35:19,076 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:35:19,579 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:35:19,580 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-11-25 22:35:19,620 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data/14c57f088/df9b116c6b834ae28851b971b7c8753f/FLAGf07fa62de [2022-11-25 22:35:19,642 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data/14c57f088/df9b116c6b834ae28851b971b7c8753f [2022-11-25 22:35:19,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:35:19,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:35:19,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:35:19,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:35:19,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:35:19,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:35:19" (1/1) ... [2022-11-25 22:35:19,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7f8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:19, skipping insertion in model container [2022-11-25 22:35:19,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:35:19" (1/1) ... [2022-11-25 22:35:19,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:35:19,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:35:20,156 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:35:20,821 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:35:20,828 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:20,831 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:20,834 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:20,835 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:20,873 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:35:20,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:35:20,890 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:35:20,930 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:35:20,998 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:35:21,002 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:21,004 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:21,007 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:21,007 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:21,013 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:35:21,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:35:21,194 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:35:21,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21 WrapperNode [2022-11-25 22:35:21,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:35:21,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:35:21,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:35:21,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:35:21,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,317 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-25 22:35:21,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:35:21,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:35:21,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:35:21,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:35:21,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:35:21,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:35:21,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:35:21,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:35:21,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (1/1) ... [2022-11-25 22:35:21,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:35:21,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:35:21,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:35:21,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:35:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:35:21,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:35:21,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:35:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:35:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:35:21,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:35:21,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:35:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:35:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:35:21,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:35:21,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:35:21,802 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:35:21,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:35:22,090 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:35:22,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:35:22,267 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:35:22,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:35:22 BoogieIcfgContainer [2022-11-25 22:35:22,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:35:22,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:35:22,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:35:22,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:35:22,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:35:19" (1/3) ... [2022-11-25 22:35:22,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3a2122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:35:22, skipping insertion in model container [2022-11-25 22:35:22,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:21" (2/3) ... [2022-11-25 22:35:22,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3a2122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:35:22, skipping insertion in model container [2022-11-25 22:35:22,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:35:22" (3/3) ... [2022-11-25 22:35:22,287 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-11-25 22:35:22,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:35:22,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:35:22,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:35:22,402 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;@6d5fa685, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:35:22,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:35:22,409 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 22:35:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 22:35:22,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:35:22,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 22:35:22,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:35:22,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:35:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2035861718, now seen corresponding path program 1 times [2022-11-25 22:35:22,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:35:22,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010640192] [2022-11-25 22:35:22,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:35:22,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:35:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:35:23,414 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 22:35:23,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:35:23,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010640192] [2022-11-25 22:35:23,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010640192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:35:23,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:35:23,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:35:23,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594331333] [2022-11-25 22:35:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:35:23,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:35:23,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:35:23,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:35:23,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:35:23,478 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 22:35:23,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:35:23,573 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 22:35:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:35:23,588 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 22:35:23,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:35:23,598 INFO L225 Difference]: With dead ends: 12 [2022-11-25 22:35:23,598 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 22:35:23,601 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 22:35:23,606 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 22:35:23,611 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 22:35:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 22:35:23,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 22:35:23,655 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 22:35:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 22:35:23,658 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 22:35:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:35:23,660 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 22:35:23,660 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 22:35:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 22:35:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:35:23,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:35:23,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:35:23,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:35:23,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:35:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:35:23,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1312796129, now seen corresponding path program 1 times [2022-11-25 22:35:23,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:35:23,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611727559] [2022-11-25 22:35:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:35:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:35:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:35:23,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:35:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:35:23,832 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:35:23,837 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:35:23,840 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:35:23,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:35:23,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:35:23,850 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:35:23,856 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:35:23,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:35:23 BoogieIcfgContainer [2022-11-25 22:35:23,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:35:23,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:35:23,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:35:23,916 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:35:23,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:35:22" (3/4) ... [2022-11-25 22:35:23,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:35:23,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:35:23,926 INFO L158 Benchmark]: Toolchain (without parser) took 4279.00ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 120.1MB in the beginning and 130.1MB in the end (delta: -10.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-25 22:35:23,933 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 98.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:35:23,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.17ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 120.1MB in the beginning and 159.8MB in the end (delta: -39.7MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-11-25 22:35:23,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.04ms. Allocated memory is still 195.0MB. Free memory was 159.8MB in the beginning and 156.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:35:23,940 INFO L158 Benchmark]: Boogie Preprocessor took 74.70ms. Allocated memory is still 195.0MB. Free memory was 156.8MB in the beginning and 154.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:35:23,944 INFO L158 Benchmark]: RCFGBuilder took 875.95ms. Allocated memory is still 195.0MB. Free memory was 154.6MB in the beginning and 133.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 22:35:23,945 INFO L158 Benchmark]: TraceAbstraction took 1640.00ms. Allocated memory is still 195.0MB. Free memory was 133.7MB in the beginning and 130.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-25 22:35:23,945 INFO L158 Benchmark]: Witness Printer took 10.51ms. Allocated memory is still 195.0MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:35:23,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 155.2MB. Free memory was 98.3MB in the beginning and 98.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.17ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 120.1MB in the beginning and 159.8MB in the end (delta: -39.7MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.04ms. Allocated memory is still 195.0MB. Free memory was 159.8MB in the beginning and 156.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.70ms. Allocated memory is still 195.0MB. Free memory was 156.8MB in the beginning and 154.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 875.95ms. Allocated memory is still 195.0MB. Free memory was 154.6MB in the beginning and 133.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1640.00ms. Allocated memory is still 195.0MB. Free memory was 133.7MB in the beginning and 130.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 10.51ms. Allocated memory is still 195.0MB. Free memory is still 130.1MB. 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147483651, argc=2147483651, argv={2147483654:2147483653}, argv={2147483654:2147483653}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data + 1 VAL [data={5:0}, data=2147483647, data=2147483647, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: 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: 1.5s, 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, 0.1s 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, 0.8s 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 22:35:23,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- 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 22:35:27,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:35:27,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:35:27,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:35:27,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:35:27,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:35:27,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:35:27,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:35:27,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:35:27,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:35:27,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:35:27,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:35:27,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:35:27,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:35:27,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:35:27,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:35:27,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:35:27,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:35:27,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:35:27,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:35:27,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:35:27,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:35:27,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:35:27,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:35:27,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:35:27,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:35:27,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:35:27,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:35:27,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:35:27,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:35:27,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:35:27,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:35:27,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:35:27,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:35:27,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:35:27,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:35:27,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:35:27,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:35:27,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:35:27,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:35:27,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:35:27,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:35:27,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:35:27,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:35:27,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:35:27,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:35:27,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:35:27,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:35:27,253 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:35:27,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:35:27,253 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:35:27,254 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:35:27,255 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:35:27,255 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:35:27,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:35:27,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:35:27,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:35:27,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:35:27,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:35:27,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:35:27,258 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:35:27,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:35:27,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:35:27,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:35:27,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:35:27,260 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:35:27,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:35:27,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:35:27,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:35:27,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:35:27,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:35:27,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:35:27,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:35:27,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:35:27,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:35:27,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:35:27,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:35:27,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:35:27,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:35:27,264 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_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2022-11-25 22:35:27,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:35:27,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:35:27,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:35:27,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:35:27,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:35:27,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-11-25 22:35:31,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:35:31,783 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:35:31,784 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-11-25 22:35:31,822 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data/245d2209b/96aad193a99e4a038e07d938465dd4f8/FLAGe10a44b7d [2022-11-25 22:35:31,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/data/245d2209b/96aad193a99e4a038e07d938465dd4f8 [2022-11-25 22:35:31,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:35:31,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:35:31,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:35:31,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:35:31,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:35:31,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:35:31" (1/1) ... [2022-11-25 22:35:31,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356da1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:31, skipping insertion in model container [2022-11-25 22:35:31,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:35:31" (1/1) ... [2022-11-25 22:35:31,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:35:31,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:35:32,477 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:35:33,253 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:35:33,260 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:33,264 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:33,277 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:33,278 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:33,318 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:35:33,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:35:33,349 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:35:33,385 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:35:33,475 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:35:33,479 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:33,480 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:35:33,483 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:33,484 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:35:33,498 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:35:33,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:35:33,646 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:35:33,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33 WrapperNode [2022-11-25 22:35:33,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:35:33,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:35:33,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:35:33,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:35:33,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,734 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-25 22:35:33,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:35:33,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:35:33,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:35:33,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:35:33,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:35:33,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:35:33,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:35:33,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:35:33,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (1/1) ... [2022-11-25 22:35:33,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:35:33,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:35:33,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:35:33,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:35:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:35:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:35:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:35:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:35:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:35:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:35:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:35:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:35:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:35:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:35:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:35:34,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:35:34,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:35:34,376 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:35:34,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:35:34,398 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:35:34,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:35:34 BoogieIcfgContainer [2022-11-25 22:35:34,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:35:34,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:35:34,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:35:34,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:35:34,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:35:31" (1/3) ... [2022-11-25 22:35:34,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43fe8f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:35:34, skipping insertion in model container [2022-11-25 22:35:34,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:35:33" (2/3) ... [2022-11-25 22:35:34,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43fe8f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:35:34, skipping insertion in model container [2022-11-25 22:35:34,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:35:34" (3/3) ... [2022-11-25 22:35:34,430 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-11-25 22:35:34,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:35:34,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:35:34,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:35:34,520 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;@6e8bb31f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:35:34,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:35:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 22:35:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:35:34,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:35:34,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:35:34,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:35:34,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:35:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-25 22:35:34,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:35:34,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93294986] [2022-11-25 22:35:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:35:34,570 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 22:35:34,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:35:34,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:34,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:35:34,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 22:35:34,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:35:34,879 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 22:35:34,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:35:34,880 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:35:34,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93294986] [2022-11-25 22:35:34,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93294986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:35:34,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:35:34,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:35:34,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101400082] [2022-11-25 22:35:34,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:35:34,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:35:34,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:35:34,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:35:34,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:35:34,932 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 22:35:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:35:34,956 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-25 22:35:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:35:34,961 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 22:35:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:35:34,969 INFO L225 Difference]: With dead ends: 21 [2022-11-25 22:35:34,969 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 22:35:34,972 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 22:35:34,977 INFO L413 NwaCegarLoop]: 22 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, 22 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 22:35:34,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:35:35,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 22:35:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 22:35:35,035 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 22:35:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 22:35:35,038 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 22:35:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:35:35,039 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 22:35:35,040 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 22:35:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 22:35:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:35:35,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:35:35,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:35:35,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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)] Ended with exit code 0 [2022-11-25 22:35:35,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:35,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:35:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:35:35,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-11-25 22:35:35,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:35:35,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409419293] [2022-11-25 22:35:35,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:35:35,258 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 22:35:35,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:35:35,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:35,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:35:35,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:35:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:35:35,630 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 22:35:35,630 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:35:35,633 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:35:35,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:35:35,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:35,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 22:35:35,859 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:35:35,864 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:35:35,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:35:35 BoogieIcfgContainer [2022-11-25 22:35:35,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:35:35,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:35:35,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:35:35,912 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:35:35,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:35:34" (3/4) ... [2022-11-25 22:35:35,915 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:35:35,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:35:35,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:35:35,989 INFO L158 Benchmark]: Toolchain (without parser) took 4141.04ms. Allocated memory was 65.0MB in the beginning and 98.6MB in the end (delta: 33.6MB). Free memory was 29.5MB in the beginning and 55.1MB in the end (delta: -25.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,989 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:35:35,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1798.10ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 51.2MB in the end (delta: -21.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.31ms. Allocated memory is still 81.8MB. Free memory was 51.2MB in the beginning and 48.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,991 INFO L158 Benchmark]: Boogie Preprocessor took 56.16ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 46.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,992 INFO L158 Benchmark]: RCFGBuilder took 608.61ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 51.3MB in the end (delta: -5.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,993 INFO L158 Benchmark]: TraceAbstraction took 1507.29ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.8MB in the beginning and 57.3MB in the end (delta: -6.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,994 INFO L158 Benchmark]: Witness Printer took 75.92ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 55.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:35:35,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1798.10ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 51.2MB in the end (delta: -21.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.31ms. Allocated memory is still 81.8MB. Free memory was 51.2MB in the beginning and 48.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.16ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 46.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 608.61ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 51.3MB in the end (delta: -5.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1507.29ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.8MB in the beginning and 57.3MB in the end (delta: -6.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 75.92ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 55.1MB in the end (delta: 2.1MB). 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: 1562]: 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, data=0, dataPtr1={5:0}, dataPtr2={5:0}, 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()=2, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data + 1 VAL [data=2147483647, data=2147483647, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 22 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, 22 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=21occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 82 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 22:35:36,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6ed0ba-b9d6-422b-8870-968bcc5b731a/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)