./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/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_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/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_2e1f1450-3036-4dda-85fd-163148c4b0bc/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 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:38:15,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:38:15,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:38:15,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:38:15,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:38:15,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:38:15,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:38:15,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:38:15,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:38:15,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:38:15,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:38:15,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:38:15,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:38:15,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:38:15,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:38:15,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:38:15,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:38:15,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:38:15,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:38:15,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:38:15,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:38:15,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:38:15,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:38:15,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:38:15,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:38:15,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:38:15,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:38:15,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:38:15,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:38:15,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:38:15,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:38:15,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:38:15,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:38:15,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:38:15,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:38:15,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:38:15,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:38:15,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:38:15,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:38:15,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:38:15,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:38:15,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:38:15,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:38:15,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:38:15,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:38:15,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:38:15,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:38:15,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:38:15,331 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:38:15,332 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:38:15,332 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:38:15,332 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:38:15,333 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:38:15,348 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:38:15,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:38:15,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:38:15,350 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:38:15,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:38:15,351 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:38:15,351 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:38:15,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:38:15,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:38:15,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:38:15,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:38:15,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:38:15,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:38:15,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:38:15,354 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:38:15,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:38:15,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:38:15,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:38:15,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:38:15,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:38:15,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:15,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:38:15,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:38:15,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:38:15,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:38:15,357 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:38:15,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:38:15,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:38:15,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:38:15,358 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_2e1f1450-3036-4dda-85fd-163148c4b0bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 [2022-11-25 22:38:15,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:38:15,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:38:15,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:38:15,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:38:15,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:38:15,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2022-11-25 22:38:18,834 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:38:19,195 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:38:19,196 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2022-11-25 22:38:19,226 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data/b037d31b9/d9dce744ca3a4d7b8811e3ffc47928c6/FLAGd174d9ad6 [2022-11-25 22:38:19,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data/b037d31b9/d9dce744ca3a4d7b8811e3ffc47928c6 [2022-11-25 22:38:19,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:38:19,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:38:19,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:19,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:38:19,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:38:19,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:19" (1/1) ... [2022-11-25 22:38:19,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e11440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:19, skipping insertion in model container [2022-11-25 22:38:19,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:19" (1/1) ... [2022-11-25 22:38:19,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:38:19,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:38:19,701 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:38:20,302 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:38:20,308 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:20,313 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:20,315 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:20,316 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:20,346 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:38:20,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:20,358 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:38:20,380 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:38:20,424 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:38:20,426 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:20,427 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:20,430 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:20,431 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:20,436 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:38:20,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:20,584 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:38:20,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20 WrapperNode [2022-11-25 22:38:20,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:20,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:20,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:38:20,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:38:20,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,679 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-11-25 22:38:20,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:20,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:38:20,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:38:20,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:38:20,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:38:20,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:38:20,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:38:20,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:38:20,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (1/1) ... [2022-11-25 22:38:20,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:20,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:20,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:38:20,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:38:20,787 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:38:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:38:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:38:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:38:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:38:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:38:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:38:20,958 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:38:20,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:38:21,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:38:21,236 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:38:21,236 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:38:21,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:21 BoogieIcfgContainer [2022-11-25 22:38:21,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:38:21,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:38:21,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:38:21,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:38:21,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:38:19" (1/3) ... [2022-11-25 22:38:21,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4759874d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:21, skipping insertion in model container [2022-11-25 22:38:21,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:20" (2/3) ... [2022-11-25 22:38:21,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4759874d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:21, skipping insertion in model container [2022-11-25 22:38:21,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:21" (3/3) ... [2022-11-25 22:38:21,249 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2022-11-25 22:38:21,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:38:21,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:38:21,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:38:21,318 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;@3ced8ce0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:38:21,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:38:21,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:38:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:38:21,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:21,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:21,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:21,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:21,338 INFO L85 PathProgramCache]: Analyzing trace with hash -75657339, now seen corresponding path program 1 times [2022-11-25 22:38:21,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:21,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355255302] [2022-11-25 22:38:21,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:21,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:38:21,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:21,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355255302] [2022-11-25 22:38:21,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355255302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:21,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:21,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:38:21,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31423398] [2022-11-25 22:38:21,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:21,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:21,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:21,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:21,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:21,728 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:21,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:21,803 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-25 22:38:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:21,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-25 22:38:21,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:21,812 INFO L225 Difference]: With dead ends: 18 [2022-11-25 22:38:21,813 INFO L226 Difference]: Without dead ends: 9 [2022-11-25 22:38:21,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:21,822 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:21,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:38:21,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-25 22:38:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-25 22:38:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-25 22:38:21,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-25 22:38:21,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:21,859 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-25 22:38:21,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-25 22:38:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:38:21,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:21,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:21,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:38:21,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:21,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:21,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1949589843, now seen corresponding path program 1 times [2022-11-25 22:38:21,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:21,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262425216] [2022-11-25 22:38:21,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:21,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:21,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:38:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:22,095 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:38:22,095 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:38:22,097 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:38:22,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:38:22,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:38:22,112 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:38:22,116 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:38:22,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:38:22 BoogieIcfgContainer [2022-11-25 22:38:22,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:38:22,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:38:22,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:38:22,142 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:38:22,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:21" (3/4) ... [2022-11-25 22:38:22,146 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:38:22,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:38:22,147 INFO L158 Benchmark]: Toolchain (without parser) took 2898.47ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 105.3MB in the beginning and 143.0MB in the end (delta: -37.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-11-25 22:38:22,148 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 118.1MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:22,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.29ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 104.5MB in the end (delta: 417.7kB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-11-25 22:38:22,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.67ms. Allocated memory is still 148.9MB. Free memory was 104.5MB in the beginning and 100.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:38:22,150 INFO L158 Benchmark]: Boogie Preprocessor took 25.06ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:22,150 INFO L158 Benchmark]: RCFGBuilder took 533.38ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 81.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:38:22,151 INFO L158 Benchmark]: TraceAbstraction took 900.47ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 80.7MB in the beginning and 144.1MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:22,151 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 188.7MB. Free memory was 144.1MB in the beginning and 143.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:22,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 118.1MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.29ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 104.5MB in the end (delta: 417.7kB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.67ms. Allocated memory is still 148.9MB. Free memory was 104.5MB in the beginning and 100.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.06ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.38ms. Allocated memory is still 148.9MB. Free memory was 99.6MB in the beginning and 81.4MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 900.47ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 80.7MB in the beginning and 144.1MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 188.7MB. Free memory was 144.1MB in the beginning and 143.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1560, overapproximation of bitwiseAnd at line 1560. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 22:38:22,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/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_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/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_2e1f1450-3036-4dda-85fd-163148c4b0bc/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 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:38:24,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:38:24,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:38:24,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:38:24,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:38:24,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:38:24,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:38:24,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:38:24,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:38:24,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:38:24,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:38:24,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:38:24,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:38:24,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:38:24,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:38:24,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:38:24,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:38:24,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:38:24,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:38:24,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:38:24,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:38:24,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:38:24,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:38:24,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:38:24,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:38:24,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:38:24,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:38:24,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:38:24,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:38:24,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:38:24,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:38:24,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:38:24,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:38:24,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:38:24,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:38:24,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:38:24,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:38:24,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:38:24,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:38:24,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:38:24,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:38:24,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:38:24,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:38:24,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:38:24,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:38:24,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:38:24,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:38:24,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:38:24,844 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:38:24,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:38:24,845 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:38:24,845 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:38:24,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:38:24,847 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:38:24,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:38:24,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:38:24,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:38:24,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:38:24,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:38:24,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:38:24,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:38:24,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:38:24,850 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:38:24,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:38:24,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:38:24,850 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:38:24,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:38:24,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:38:24,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:38:24,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:38:24,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:24,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:38:24,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:38:24,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:38:24,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:38:24,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:38:24,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:38:24,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:38:24,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:38:24,854 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_2e1f1450-3036-4dda-85fd-163148c4b0bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013c54721d9e54840e4e40d7f514a5b65c6d86e51d022b6728a9bdb59910a888 [2022-11-25 22:38:25,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:38:25,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:38:25,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:38:25,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:38:25,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:38:25,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2022-11-25 22:38:28,279 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:38:28,713 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:38:28,714 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2022-11-25 22:38:28,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data/cfeaa6da7/49af7fc8928a46c896213a7115bb18a4/FLAGe9b19c231 [2022-11-25 22:38:28,774 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/data/cfeaa6da7/49af7fc8928a46c896213a7115bb18a4 [2022-11-25 22:38:28,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:38:28,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:38:28,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:28,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:38:28,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:38:28,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:28" (1/1) ... [2022-11-25 22:38:28,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d9c4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:28, skipping insertion in model container [2022-11-25 22:38:28,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:28" (1/1) ... [2022-11-25 22:38:28,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:38:28,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:38:29,290 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:38:29,764 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:38:29,770 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:29,772 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:29,774 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:29,775 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:29,806 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:38:29,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:29,822 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:38:29,867 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:38:29,915 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:38:29,920 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:29,921 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:38:29,924 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:29,924 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:38:29,930 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:38:29,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:30,055 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:38:30,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30 WrapperNode [2022-11-25 22:38:30,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:30,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:30,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:38:30,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:38:30,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,113 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-11-25 22:38:30,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:30,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:38:30,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:38:30,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:38:30,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:38:30,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:38:30,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:38:30,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:38:30,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (1/1) ... [2022-11-25 22:38:30,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:30,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:30,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:38:30,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:38:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:38:30,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:38:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:38:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:38:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:38:30,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:38:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:38:30,492 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:38:30,508 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:38:30,745 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:38:30,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:38:30,750 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:38:30,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:30 BoogieIcfgContainer [2022-11-25 22:38:30,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:38:30,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:38:30,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:38:30,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:38:30,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:38:28" (1/3) ... [2022-11-25 22:38:30,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5529c24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:30, skipping insertion in model container [2022-11-25 22:38:30,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:30" (2/3) ... [2022-11-25 22:38:30,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5529c24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:30, skipping insertion in model container [2022-11-25 22:38:30,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:30" (3/3) ... [2022-11-25 22:38:30,767 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_41_bad.i [2022-11-25 22:38:30,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:38:30,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:38:30,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:38:30,874 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;@53da2735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:38:30,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:38:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:38:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:38:30,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:30,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:30,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:30,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:30,900 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-11-25 22:38:30,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:38:30,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348604136] [2022-11-25 22:38:30,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:30,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:30,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:38:30,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 22:38:30,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 22:38:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:31,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:38:31,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:38:31,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:31,173 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:38:31,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348604136] [2022-11-25 22:38:31,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348604136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:31,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:31,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:38:31,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287258658] [2022-11-25 22:38:31,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:31,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:31,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:38:31,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:31,234 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 22:38:31,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:31,281 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-11-25 22:38:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:31,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 22:38:31,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:31,290 INFO L225 Difference]: With dead ends: 30 [2022-11-25 22:38:31,291 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 22:38:31,294 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 22:38:31,297 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:31,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:38:31,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 22:38:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 22:38:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:38:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 22:38:31,338 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-25 22:38:31,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:31,339 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 22:38:31,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 22:38:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 22:38:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:38:31,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:31,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:31,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:31,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:31,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:38:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-11-25 22:38:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:38:31,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348954118] [2022-11-25 22:38:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:31,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:31,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:38:31,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 22:38:31,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 22:38:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:31,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:38:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:38:31,727 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 22:38:31,727 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:38:31,729 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:38:31,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:38:31,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:31,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:38:31,945 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:38:31,950 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:38:31,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:38:31 BoogieIcfgContainer [2022-11-25 22:38:31,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:38:31,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:38:31,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:38:31,985 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:38:31,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:30" (3/4) ... [2022-11-25 22:38:31,987 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:38:32,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:38:32,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:38:32,057 INFO L158 Benchmark]: Toolchain (without parser) took 3277.04ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 61.1MB in the beginning and 47.8MB in the end (delta: 13.3MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-11-25 22:38:32,057 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:32,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1269.30ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 60.9MB in the beginning and 68.3MB in the end (delta: -7.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-11-25 22:38:32,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 107.0MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:38:32,062 INFO L158 Benchmark]: Boogie Preprocessor took 60.58ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:32,063 INFO L158 Benchmark]: RCFGBuilder took 577.50ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 50.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:38:32,063 INFO L158 Benchmark]: TraceAbstraction took 1229.50ms. Allocated memory is still 107.0MB. Free memory was 49.0MB in the beginning and 49.9MB in the end (delta: -951.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:38:32,063 INFO L158 Benchmark]: Witness Printer took 71.57ms. Allocated memory is still 107.0MB. Free memory was 49.9MB in the beginning and 47.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:38:32,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1269.30ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 60.9MB in the beginning and 68.3MB in the end (delta: -7.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 107.0MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.58ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.50ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 50.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1229.50ms. Allocated memory is still 107.0MB. Free memory was 49.0MB in the beginning and 49.9MB in the end (delta: -951.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.57ms. Allocated memory is still 107.0MB. Free memory was 49.9MB in the beginning and 47.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1552]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 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=23occurred 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 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 22:38:32,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f1450-3036-4dda-85fd-163148c4b0bc/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)