./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_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_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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_cb1f76f3-81d5-4440-aefc-d803617c030a/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 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:46:19,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:46:19,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:46:19,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:46:19,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:46:19,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:46:19,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:46:19,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:46:19,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:46:19,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:46:19,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:46:19,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:46:19,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:46:19,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:46:19,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:46:19,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:46:19,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:46:19,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:46:19,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:46:19,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:46:19,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:46:19,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:46:19,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:46:19,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:46:19,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:46:19,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:46:19,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:46:19,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:46:19,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:46:19,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:46:19,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:46:19,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:46:19,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:46:19,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:46:19,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:46:19,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:46:19,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:46:19,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:46:19,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:46:19,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:46:19,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:46:19,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:46:19,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:46:19,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:46:19,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:46:19,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:46:19,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:46:19,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:46:19,385 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:46:19,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:46:19,385 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:46:19,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:46:19,387 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:46:19,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:46:19,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:46:19,387 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:46:19,388 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:46:19,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:46:19,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:46:19,388 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:46:19,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:46:19,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:46:19,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:46:19,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:46:19,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:46:19,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:46:19,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:46:19,392 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:46:19,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:46:19,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:46:19,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:46:19,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:46:19,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:46:19,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:46:19,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:46:19,395 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:46:19,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:46:19,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:46:19,396 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:46:19,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:46:19,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:46:19,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:46:19,398 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_cb1f76f3-81d5-4440-aefc-d803617c030a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 [2022-11-25 23:46:19,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:46:19,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:46:19,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:46:19,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:46:19,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:46:19,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2022-11-25 23:46:23,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:46:23,675 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:46:23,676 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2022-11-25 23:46:23,711 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data/bdd04cfb4/a1ea198fb4e24628b00701102c2e2639/FLAG2cb333d59 [2022-11-25 23:46:23,739 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data/bdd04cfb4/a1ea198fb4e24628b00701102c2e2639 [2022-11-25 23:46:23,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:46:23,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:46:23,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:46:23,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:46:23,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:46:23,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:46:23" (1/1) ... [2022-11-25 23:46:23,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e05f4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:23, skipping insertion in model container [2022-11-25 23:46:23,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:46:23" (1/1) ... [2022-11-25 23:46:23,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:46:23,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:46:24,355 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:46:24,890 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:46:24,896 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:24,899 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:24,902 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:24,903 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:24,935 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:46:24,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:46:24,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:46:24,974 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:46:25,032 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:46:25,034 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:25,036 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:25,039 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:25,040 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:25,047 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:46:25,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:46:25,201 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:46:25,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25 WrapperNode [2022-11-25 23:46:25,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:46:25,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:46:25,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:46:25,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:46:25,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,323 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-11-25 23:46:25,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:46:25,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:46:25,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:46:25,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:46:25,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,379 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:46:25,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:46:25,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:46:25,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:46:25,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (1/1) ... [2022-11-25 23:46:25,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:46:25,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:46:25,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:46:25,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:46:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:46:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:46:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:46:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:46:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:46:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:46:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:46:25,795 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:46:25,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:46:26,067 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:46:26,201 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:46:26,202 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:46:26,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:26 BoogieIcfgContainer [2022-11-25 23:46:26,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:46:26,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:46:26,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:46:26,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:46:26,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:46:23" (1/3) ... [2022-11-25 23:46:26,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20084b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:46:26, skipping insertion in model container [2022-11-25 23:46:26,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:25" (2/3) ... [2022-11-25 23:46:26,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20084b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:46:26, skipping insertion in model container [2022-11-25 23:46:26,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:26" (3/3) ... [2022-11-25 23:46:26,227 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2022-11-25 23:46:26,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:46:26,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:46:26,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:46:26,337 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;@6d69c843, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:46:26,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:46:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:46:26,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:46:26,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:26,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:26,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:46:26,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:26,367 INFO L85 PathProgramCache]: Analyzing trace with hash 341056908, now seen corresponding path program 1 times [2022-11-25 23:46:26,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:26,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161866966] [2022-11-25 23:46:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:26,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:46:26,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:46:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:46:26,843 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:46:26,846 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:46:26,847 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:46:26,849 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:46:26,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:46:26,855 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 23:46:26,867 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:46:26,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:46:26 BoogieIcfgContainer [2022-11-25 23:46:26,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:46:26,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:46:26,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:46:26,912 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:46:26,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:26" (3/4) ... [2022-11-25 23:46:26,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:46:26,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:46:26,922 INFO L158 Benchmark]: Toolchain (without parser) took 3173.26ms. Allocated memory is still 159.4MB. Free memory was 115.3MB in the beginning and 108.3MB in the end (delta: 7.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-25 23:46:26,922 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:46:26,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1450.50ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 70.4MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-25 23:46:26,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.36ms. Allocated memory is still 159.4MB. Free memory was 70.4MB in the beginning and 67.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:26,924 INFO L158 Benchmark]: Boogie Preprocessor took 71.31ms. Allocated memory is still 159.4MB. Free memory was 67.7MB in the beginning and 66.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:26,925 INFO L158 Benchmark]: RCFGBuilder took 806.75ms. Allocated memory is still 159.4MB. Free memory was 66.2MB in the beginning and 45.3MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:46:26,926 INFO L158 Benchmark]: TraceAbstraction took 702.22ms. Allocated memory is still 159.4MB. Free memory was 44.6MB in the beginning and 108.3MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:46:26,926 INFO L158 Benchmark]: Witness Printer took 9.40ms. Allocated memory is still 159.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:46:26,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1450.50ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 70.4MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.36ms. Allocated memory is still 159.4MB. Free memory was 70.4MB in the beginning and 67.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.31ms. Allocated memory is still 159.4MB. Free memory was 67.7MB in the beginning and 66.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 806.75ms. Allocated memory is still 159.4MB. Free memory was 66.2MB in the beginning and 45.3MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 702.22ms. Allocated memory is still 159.4MB. Free memory was 44.6MB in the beginning and 108.3MB in the end (delta: -63.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.40ms. Allocated memory is still 159.4MB. Free memory is still 108.3MB. 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649, staticFive=5] [L1559] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649, staticFive=5] [L1561] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483649, staticFive=5] - UnprovableResult [Line: 1561]: 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 23:46:26,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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_cb1f76f3-81d5-4440-aefc-d803617c030a/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 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:46:29,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:46:29,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:46:29,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:46:29,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:46:29,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:46:29,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:46:29,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:46:29,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:46:30,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:46:30,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:46:30,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:46:30,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:46:30,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:46:30,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:46:30,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:46:30,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:46:30,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:46:30,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:46:30,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:46:30,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:46:30,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:46:30,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:46:30,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:46:30,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:46:30,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:46:30,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:46:30,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:46:30,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:46:30,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:46:30,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:46:30,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:46:30,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:46:30,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:46:30,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:46:30,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:46:30,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:46:30,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:46:30,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:46:30,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:46:30,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:46:30,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:46:30,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:46:30,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:46:30,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:46:30,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:46:30,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:46:30,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:46:30,144 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:46:30,145 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:46:30,145 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:46:30,145 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:46:30,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:46:30,147 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:46:30,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:46:30,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:46:30,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:46:30,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:46:30,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:46:30,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:46:30,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:46:30,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:46:30,150 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:46:30,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:46:30,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:46:30,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:46:30,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:46:30,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:46:30,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:46:30,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:46:30,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:46:30,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:46:30,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:46:30,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:46:30,154 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:46:30,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:46:30,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:46:30,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:46:30,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:46:30,156 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_cb1f76f3-81d5-4440-aefc-d803617c030a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25a43ab44d441891997ac8f216bf326430b2f6ed3eafc886131ed58b10056ae0 [2022-11-25 23:46:30,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:46:30,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:46:30,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:46:30,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:46:30,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:46:30,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2022-11-25 23:46:34,175 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:46:34,737 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:46:34,737 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2022-11-25 23:46:34,763 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data/2d35d735a/38df275d8b8940d89bc92604fef38de4/FLAG84e883083 [2022-11-25 23:46:34,783 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/data/2d35d735a/38df275d8b8940d89bc92604fef38de4 [2022-11-25 23:46:34,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:46:34,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:46:34,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:46:34,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:46:34,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:46:34,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:46:34" (1/1) ... [2022-11-25 23:46:34,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202457e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:34, skipping insertion in model container [2022-11-25 23:46:34,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:46:34" (1/1) ... [2022-11-25 23:46:34,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:46:34,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:46:35,563 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:46:36,398 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:46:36,406 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:36,410 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:36,421 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:36,422 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:36,465 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:46:36,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:46:36,490 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:46:36,525 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:46:36,618 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:46:36,621 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:36,627 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:46:36,630 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:36,635 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:46:36,642 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:46:36,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:46:36,811 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:46:36,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36 WrapperNode [2022-11-25 23:46:36,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:46:36,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:46:36,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:46:36,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:46:36,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,891 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-11-25 23:46:36,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:46:36,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:46:36,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:46:36,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:46:36,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:46:36,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:46:36,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:46:36,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:46:36,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (1/1) ... [2022-11-25 23:46:36,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:46:36,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:46:36,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:46:36,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:46:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:46:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:46:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:46:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:46:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:46:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:46:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:46:37,294 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:46:37,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:46:37,563 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:46:37,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:46:37,571 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:46:37,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:37 BoogieIcfgContainer [2022-11-25 23:46:37,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:46:37,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:46:37,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:46:37,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:46:37,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:46:34" (1/3) ... [2022-11-25 23:46:37,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e02aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:46:37, skipping insertion in model container [2022-11-25 23:46:37,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:36" (2/3) ... [2022-11-25 23:46:37,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e02aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:46:37, skipping insertion in model container [2022-11-25 23:46:37,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:37" (3/3) ... [2022-11-25 23:46:37,591 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_07_bad.i [2022-11-25 23:46:37,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:46:37,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:46:37,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:46:37,704 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;@5e3ffc08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:46:37,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:46:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:46:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:46:37,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:37,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:37,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:46:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1258159597, now seen corresponding path program 1 times [2022-11-25 23:46:37,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:46:37,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995880674] [2022-11-25 23:46:37,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:37,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:46:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:46:37,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:46:37,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:46:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:37,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:46:37,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:46:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:46:38,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:46:38,032 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:46:38,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995880674] [2022-11-25 23:46:38,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [995880674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:38,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:38,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:46:38,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565629428] [2022-11-25 23:46:38,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:38,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:46:38,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:46:38,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:46:38,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:46:38,104 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:46:38,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:38,136 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-11-25 23:46:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:46:38,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 23:46:38,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:38,148 INFO L225 Difference]: With dead ends: 41 [2022-11-25 23:46:38,148 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 23:46:38,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:46:38,156 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:38,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:46:38,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 23:46:38,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 23:46:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:46:38,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-25 23:46:38,199 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-11-25 23:46:38,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:38,200 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-25 23:46:38,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:46:38,201 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-25 23:46:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:46:38,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:38,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:38,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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 23:46:38,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:46:38,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:46:38,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:38,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1822236216, now seen corresponding path program 1 times [2022-11-25 23:46:38,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:46:38,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183627644] [2022-11-25 23:46:38,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:38,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:46:38,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:46:38,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:46:38,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:46:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:46:38,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:46:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:46:38,606 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 23:46:38,606 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:46:38,609 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:46:38,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:46:38,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:46:38,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:46:38,826 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:46:38,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:46:38,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:46:38 BoogieIcfgContainer [2022-11-25 23:46:38,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:46:38,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:46:38,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:46:38,870 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:46:38,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:37" (3/4) ... [2022-11-25 23:46:38,873 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:46:38,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:46:38,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:46:38,926 INFO L158 Benchmark]: Toolchain (without parser) took 4137.14ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.7MB in the beginning and 41.6MB in the end (delta: 7.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,926 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:46:38,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2022.30ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 36.1MB in the end (delta: 12.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.98ms. Allocated memory is still 73.4MB. Free memory was 36.1MB in the beginning and 32.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,928 INFO L158 Benchmark]: Boogie Preprocessor took 42.02ms. Allocated memory is still 73.4MB. Free memory was 32.9MB in the beginning and 31.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,929 INFO L158 Benchmark]: RCFGBuilder took 640.25ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 50.7MB in the end (delta: -19.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,930 INFO L158 Benchmark]: TraceAbstraction took 1291.01ms. Allocated memory is still 88.1MB. Free memory was 49.8MB in the beginning and 44.2MB in the end (delta: 5.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,931 INFO L158 Benchmark]: Witness Printer took 55.29ms. Allocated memory is still 88.1MB. Free memory was 44.2MB in the beginning and 41.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:38,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2022.30ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 36.1MB in the end (delta: 12.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.98ms. Allocated memory is still 73.4MB. Free memory was 36.1MB in the beginning and 32.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.02ms. Allocated memory is still 73.4MB. Free memory was 32.9MB in the beginning and 31.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.25ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 50.7MB in the end (delta: -19.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1291.01ms. Allocated memory is still 88.1MB. Free memory was 49.8MB in the beginning and 44.2MB in the end (delta: 5.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 55.29ms. Allocated memory is still 88.1MB. Free memory was 44.2MB in the beginning and 41.6MB in the end (delta: 2.6MB). 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: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_07_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=2, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648, staticFive=5] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE staticFive==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1559] COND TRUE data < 0 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1561] data * 2 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] - UnprovableResult [Line: 1561]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 23:46:38,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1f76f3-81d5-4440-aefc-d803617c030a/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)