./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d --- 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 17:11:59,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:11:59,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:11:59,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:11:59,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:11:59,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:11:59,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:11:59,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:11:59,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:11:59,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:11:59,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:11:59,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:11:59,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:11:59,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:11:59,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:11:59,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:11:59,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:11:59,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:11:59,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:11:59,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:11:59,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:11:59,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:11:59,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:11:59,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:11:59,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:11:59,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:11:59,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:11:59,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:11:59,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:11:59,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:11:59,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:11:59,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:11:59,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:11:59,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:11:59,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:11:59,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:11:59,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:11:59,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:11:59,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:11:59,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:11:59,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:11:59,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:11:59,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:11:59,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:11:59,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:11:59,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:11:59,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:11:59,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:11:59,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:11:59,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:11:59,699 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:11:59,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:11:59,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:11:59,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:11:59,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:11:59,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:11:59,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:11:59,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:11:59,701 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:11:59,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:11:59,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:11:59,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:11:59,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:11:59,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:11:59,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:11:59,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:11:59,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:11:59,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:11:59,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:11:59,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:11:59,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:11:59,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:11:59,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:11:59,706 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:11:59,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:11:59,707 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d [2022-11-25 17:11:59,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:12:00,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:12:00,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:12:00,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:12:00,026 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:12:00,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2022-11-25 17:12:03,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:12:03,488 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:12:03,489 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2022-11-25 17:12:03,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data/a505ef579/046f63cc7b404b26be2db018d5cea4f4/FLAG1aa60a128 [2022-11-25 17:12:03,535 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data/a505ef579/046f63cc7b404b26be2db018d5cea4f4 [2022-11-25 17:12:03,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:12:03,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:12:03,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:12:03,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:12:03,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:12:03,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:03" (1/1) ... [2022-11-25 17:12:03,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4d7f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:03, skipping insertion in model container [2022-11-25 17:12:03,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:03" (1/1) ... [2022-11-25 17:12:03,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:12:03,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:12:03,951 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:12:04,421 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:12:04,431 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:04,435 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:04,446 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:04,448 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:04,482 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:12:04,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:12:04,505 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:12:04,539 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:12:04,606 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:12:04,607 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:04,608 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:04,610 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:04,611 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:04,619 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:12:04,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:12:04,822 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:12:04,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04 WrapperNode [2022-11-25 17:12:04,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:12:04,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:12:04,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:12:04,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:12:04,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,880 INFO L138 Inliner]: procedures = 500, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2022-11-25 17:12:04,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:12:04,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:12:04,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:12:04,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:12:04,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:12:04,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:12:04,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:12:04,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:12:04,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (1/1) ... [2022-11-25 17:12:04,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:12:04,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:12:04,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:12:04,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:12:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:12:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:12:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:12:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:12:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:12:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:12:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:12:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:12:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:12:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:12:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:12:05,172 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:12:05,174 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:12:05,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:12:05,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:12:05,410 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:12:05,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:05 BoogieIcfgContainer [2022-11-25 17:12:05,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:12:05,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:12:05,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:12:05,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:12:05,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:12:03" (1/3) ... [2022-11-25 17:12:05,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e74897b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:05, skipping insertion in model container [2022-11-25 17:12:05,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:04" (2/3) ... [2022-11-25 17:12:05,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e74897b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:05, skipping insertion in model container [2022-11-25 17:12:05,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:05" (3/3) ... [2022-11-25 17:12:05,424 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2022-11-25 17:12:05,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:12:05,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:12:05,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:12:05,505 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=PETRI_NET, 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;@24d2b4b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:12:05,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:12:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 17:12:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:12:05,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:05,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:12:05,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:12:05,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:05,522 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:12:05,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:05,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162839333] [2022-11-25 17:12:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:05,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:12:05,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:12:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:12:05,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:12:05,912 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:12:05,913 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:12:05,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:12:05,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:12:05,935 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:12:05,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:12:06,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:12:06 BoogieIcfgContainer [2022-11-25 17:12:06,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:12:06,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:12:06,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:12:06,011 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:12:06,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:05" (3/4) ... [2022-11-25 17:12:06,015 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:12:06,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:12:06,018 INFO L158 Benchmark]: Toolchain (without parser) took 2475.21ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 87.1MB in the beginning and 113.2MB in the end (delta: -26.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-25 17:12:06,018 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 121.6MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:12:06,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1278.40ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 87.1MB in the beginning and 98.0MB in the end (delta: -10.9MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-11-25 17:12:06,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.69ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 94.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:12:06,025 INFO L158 Benchmark]: Boogie Preprocessor took 42.17ms. Allocated memory is still 155.2MB. Free memory was 94.9MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:12:06,026 INFO L158 Benchmark]: RCFGBuilder took 487.69ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 78.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:12:06,026 INFO L158 Benchmark]: TraceAbstraction took 594.12ms. Allocated memory is still 155.2MB. Free memory was 78.0MB in the beginning and 113.2MB in the end (delta: -35.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-25 17:12:06,028 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 155.2MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:12:06,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 121.6MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1278.40ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 87.1MB in the beginning and 98.0MB in the end (delta: -10.9MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.69ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 94.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.17ms. Allocated memory is still 155.2MB. Free memory was 94.9MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.69ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 78.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 594.12ms. Allocated memory is still 155.2MB. Free memory was 78.0MB in the beginning and 113.2MB in the end (delta: -35.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 155.2MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483650:2147483654}, argv={2147483650:2147483654}, 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 CWE191_Integer_Underflow__int_rand_predec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] 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, myStruct={6:0}, rand()=2, rand()=1, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] --data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={5:0}, unknown-#in~myStruct!structFirst-unknown=-2147483648] - UnprovableResult [Line: 1573]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:12:06,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d --- 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 17:12:08,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:12:08,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:12:08,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:12:08,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:12:08,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:12:08,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:12:08,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:12:08,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:12:08,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:12:08,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:12:08,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:12:08,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:12:08,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:12:08,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:12:08,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:12:08,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:12:08,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:12:08,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:12:08,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:12:08,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:12:08,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:12:08,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:12:08,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:12:08,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:12:08,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:12:08,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:12:08,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:12:08,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:12:08,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:12:08,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:12:08,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:12:08,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:12:08,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:12:08,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:12:08,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:12:08,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:12:08,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:12:08,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:12:08,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:12:08,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:12:08,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:12:08,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:12:08,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:12:08,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:12:08,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:12:08,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:12:08,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:12:08,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:12:08,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:12:08,690 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:12:08,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:12:08,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:12:08,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:12:08,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:12:08,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:12:08,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:12:08,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:12:08,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:12:08,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:12:08,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:12:08,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:12:08,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:12:08,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:12:08,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:12:08,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:12:08,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:12:08,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:12:08,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:12:08,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:12:08,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:12:08,697 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:12:08,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:12:08,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:12:08,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:12:08,698 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:12:08,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:12:08,699 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:12:08,699 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d [2022-11-25 17:12:09,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:12:09,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:12:09,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:12:09,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:12:09,097 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:12:09,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2022-11-25 17:12:12,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:12:12,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:12:12,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2022-11-25 17:12:12,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data/0a63b6c5d/7617ffccd4ba41f1924de63c8bbe8dae/FLAGd24bfb0be [2022-11-25 17:12:12,655 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/data/0a63b6c5d/7617ffccd4ba41f1924de63c8bbe8dae [2022-11-25 17:12:12,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:12:12,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:12:12,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:12:12,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:12:12,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:12:12,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:12" (1/1) ... [2022-11-25 17:12:12,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1e7c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:12, skipping insertion in model container [2022-11-25 17:12:12,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:12" (1/1) ... [2022-11-25 17:12:12,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:12:12,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:12:13,212 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:12:13,964 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:12:13,970 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:13,974 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:13,982 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:13,984 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:14,014 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:12:14,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:12:14,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:12:14,072 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:12:14,139 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:12:14,148 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:14,150 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:12:14,156 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:14,159 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:12:14,165 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:12:14,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:12:14,346 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:12:14,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14 WrapperNode [2022-11-25 17:12:14,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:12:14,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:12:14,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:12:14,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:12:14,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,432 INFO L138 Inliner]: procedures = 505, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2022-11-25 17:12:14,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:12:14,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:12:14,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:12:14,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:12:14,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:12:14,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:12:14,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:12:14,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:12:14,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (1/1) ... [2022-11-25 17:12:14,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:12:14,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:12:14,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:12:14,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:12:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:12:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:12:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:12:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:12:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:12:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:12:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:12:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:12:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:12:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:12:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:12:14,713 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:12:14,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:12:14,965 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:12:14,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:12:14,971 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:12:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:14 BoogieIcfgContainer [2022-11-25 17:12:14,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:12:14,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:12:14,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:12:14,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:12:14,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:12:12" (1/3) ... [2022-11-25 17:12:14,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae7341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:14, skipping insertion in model container [2022-11-25 17:12:14,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:14" (2/3) ... [2022-11-25 17:12:14,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ae7341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:14, skipping insertion in model container [2022-11-25 17:12:14,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:14" (3/3) ... [2022-11-25 17:12:14,994 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2022-11-25 17:12:15,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:12:15,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:12:15,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:12:15,081 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=PETRI_NET, 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;@45ad14e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:12:15,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:12:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 17:12:15,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:12:15,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:15,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:12:15,098 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:12:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:15,105 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:12:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:12:15,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067816266] [2022-11-25 17:12:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:15,124 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 17:12:15,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:12:15,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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 17:12:15,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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 17:12:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:12:15,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:12:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:12:15,513 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:12:15,515 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:12:15,516 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:12:15,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:12:15,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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 17:12:15,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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 17:12:15,732 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:12:15,737 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:12:15,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:12:15 BoogieIcfgContainer [2022-11-25 17:12:15,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:12:15,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:12:15,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:12:15,771 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:12:15,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:14" (3/4) ... [2022-11-25 17:12:15,774 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:12:15,825 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:12:15,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:12:15,834 INFO L158 Benchmark]: Toolchain (without parser) took 3173.61ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.6MB in the beginning and 46.0MB in the end (delta: -2.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-25 17:12:15,834 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:12:15,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1685.35ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 36.2MB in the end (delta: 7.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-25 17:12:15,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.92ms. Allocated memory is still 88.1MB. Free memory was 36.2MB in the beginning and 59.0MB in the end (delta: -22.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-11-25 17:12:15,838 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:12:15,839 INFO L158 Benchmark]: RCFGBuilder took 516.91ms. Allocated memory is still 88.1MB. Free memory was 56.9MB in the beginning and 42.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:12:15,839 INFO L158 Benchmark]: TraceAbstraction took 785.45ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 48.2MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:12:15,840 INFO L158 Benchmark]: Witness Printer took 61.00ms. Allocated memory is still 88.1MB. Free memory was 48.2MB in the beginning and 46.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:12:15,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1685.35ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 36.2MB in the end (delta: 7.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.92ms. Allocated memory is still 88.1MB. Free memory was 36.2MB in the beginning and 59.0MB in the end (delta: -22.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.91ms. Allocated memory is still 88.1MB. Free memory was 56.9MB in the beginning and 42.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 785.45ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 48.2MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.00ms. Allocated memory is still 88.1MB. Free memory was 48.2MB in the beginning and 46.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1573]: 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_predec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] 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, myStruct={5:0}, rand()=0, rand()=1073741823, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] --data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={7:0}, unknown-#in~myStruct!structFirst-unknown=-2147483648] - UnprovableResult [Line: 1573]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:12:15,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc5f373-4149-402e-890d-f1f00c92c182/bin/uautomizer-ZsLfNo2U6R/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)