./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8 --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 f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f --- 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-2329fc7 [2022-12-13 13:20:47,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:20:47,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:20:47,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:20:47,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:20:47,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:20:47,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:20:47,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:20:47,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:20:47,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:20:47,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:20:47,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:20:47,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:20:47,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:20:47,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:20:47,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:20:47,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:20:47,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:20:47,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:20:47,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:20:47,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:20:47,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:20:47,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:20:47,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:20:47,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:20:47,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:20:47,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:20:47,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:20:47,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:20:47,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:20:47,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:20:47,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:20:47,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:20:47,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:20:47,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:20:47,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:20:47,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:20:47,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:20:47,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:20:47,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:20:47,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:20:47,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:20:47,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:20:47,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:20:47,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:20:47,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:20:47,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:20:47,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:20:47,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:20:47,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:20:47,873 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:20:47,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:20:47,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:20:47,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:20:47,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:20:47,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:20:47,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:20:47,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:20:47,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:20:47,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:20:47,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:20:47,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:20:47,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:20:47,877 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:20:47,877 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_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f [2022-12-13 13:20:48,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:20:48,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:20:48,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:20:48,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:20:48,086 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:20:48,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2022-12-13 13:20:50,688 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:20:50,887 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:20:50,887 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2022-12-13 13:20:50,901 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data/e1bd00f5d/e367fd98a7e64a218d96475c3bef0f96/FLAG0ed7cf49a [2022-12-13 13:20:50,912 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data/e1bd00f5d/e367fd98a7e64a218d96475c3bef0f96 [2022-12-13 13:20:50,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:20:50,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:20:50,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:20:50,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:20:50,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:20:50,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:20:50" (1/1) ... [2022-12-13 13:20:50,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bcd01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:50, skipping insertion in model container [2022-12-13 13:20:50,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:20:50" (1/1) ... [2022-12-13 13:20:50,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:20:50,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:20:51,196 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:20:51,480 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:20:51,486 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:51,488 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:51,491 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:51,492 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:51,519 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:20:51,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:20:51,532 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:20:51,549 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:20:51,579 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:20:51,580 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:51,581 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:51,582 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:51,582 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:51,586 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:20:51,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:20:51,673 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:20:51,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51 WrapperNode [2022-12-13 13:20:51,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:20:51,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:20:51,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:20:51,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:20:51,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,716 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 13:20:51,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:20:51,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:20:51,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:20:51,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:20:51,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:20:51,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:20:51,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:20:51,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:20:51,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (1/1) ... [2022-12-13 13:20:51,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:20:51,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:20:51,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:20:51,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:20:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:20:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:20:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:20:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:20:51,926 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:20:51,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:20:52,066 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:20:52,070 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:20:52,070 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:20:52,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:20:52 BoogieIcfgContainer [2022-12-13 13:20:52,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:20:52,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:20:52,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:20:52,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:20:52,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:20:50" (1/3) ... [2022-12-13 13:20:52,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9d00a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:20:52, skipping insertion in model container [2022-12-13 13:20:52,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:51" (2/3) ... [2022-12-13 13:20:52,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9d00a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:20:52, skipping insertion in model container [2022-12-13 13:20:52,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:20:52" (3/3) ... [2022-12-13 13:20:52,078 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2022-12-13 13:20:52,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:20:52,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:20:52,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:20:52,132 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;@2cd771c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:20:52,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:20:52,135 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) [2022-12-13 13:20:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:20:52,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:20:52,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:20:52,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:20:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:20:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 13:20:52,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:20:52,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693538147] [2022-12-13 13:20:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:20:52,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:20:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:20:52,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:20:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:20:52,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:20:52,316 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:20:52,317 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:20:52,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:20:52,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:20:52,322 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:20:52,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:20:52,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:20:52 BoogieIcfgContainer [2022-12-13 13:20:52,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:20:52,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:20:52,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:20:52,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:20:52,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:20:52" (3/4) ... [2022-12-13 13:20:52,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:20:52,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:20:52,346 INFO L158 Benchmark]: Toolchain (without parser) took 1431.57ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 72.1MB in the end (delta: 35.4MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2022-12-13 13:20:52,347 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 81.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:20:52,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.90ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 112.6MB in the end (delta: -5.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-12-13 13:20:52,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 151.0MB. Free memory was 112.6MB in the beginning and 109.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:20:52,348 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:20:52,348 INFO L158 Benchmark]: RCFGBuilder took 327.40ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 93.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:20:52,349 INFO L158 Benchmark]: TraceAbstraction took 269.06ms. Allocated memory is still 151.0MB. Free memory was 93.0MB in the beginning and 72.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 13:20:52,349 INFO L158 Benchmark]: Witness Printer took 3.04ms. Allocated memory is still 151.0MB. Free memory was 72.8MB in the beginning and 72.1MB in the end (delta: 689.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:20:52,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 81.2MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.90ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 112.6MB in the end (delta: -5.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 151.0MB. Free memory was 112.6MB in the beginning and 109.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.40ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 93.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 269.06ms. Allocated memory is still 151.0MB. Free memory was 93.0MB in the beginning and 72.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.04ms. Allocated memory is still 151.0MB. Free memory was 72.8MB in the beginning and 72.1MB in the end (delta: 689.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=2, rand()=32768, rand()=0, rand()=1073741824, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data < 0 VAL [data=-1073741825, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [data=-1073741825, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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: 0.2s, 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=23occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 [2022-12-13 13:20:52,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8 --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 f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f --- 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-2329fc7 [2022-12-13 13:20:54,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:20:54,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:20:54,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:20:54,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:20:54,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:20:54,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:20:54,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:20:54,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:20:54,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:20:54,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:20:54,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:20:54,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:20:54,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:20:54,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:20:54,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:20:54,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:20:54,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:20:54,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:20:54,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:20:54,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:20:54,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:20:54,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:20:54,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:20:54,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:20:54,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:20:54,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:20:54,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:20:54,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:20:54,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:20:54,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:20:54,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:20:54,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:20:54,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:20:54,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:20:54,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:20:54,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:20:54,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:20:54,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:20:54,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:20:54,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:20:54,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:20:54,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:20:54,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:20:54,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:20:54,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:20:54,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:20:54,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:20:54,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:20:54,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:20:54,091 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:20:54,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:20:54,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:20:54,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:20:54,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:20:54,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:20:54,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:20:54,092 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:20:54,092 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:20:54,093 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:20:54,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:20:54,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:20:54,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:20:54,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:20:54,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:20:54,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:20:54,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:20:54,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:20:54,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:20:54,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:20:54,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:20:54,095 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:20:54,095 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:20:54,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:20:54,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:20:54,096 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:20:54,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:20:54,096 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:20:54,096 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:20:54,096 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_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c0bccdbbc981c8239e8501bf6f11c7e5f823114cc4ea7d25f1d3a8b19616f [2022-12-13 13:20:54,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:20:54,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:20:54,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:20:54,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:20:54,328 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:20:54,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2022-12-13 13:20:56,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:20:57,145 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:20:57,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2022-12-13 13:20:57,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data/201ddf679/170fee9c47724b30a67b640059a11b9c/FLAG151aa53b1 [2022-12-13 13:20:57,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/data/201ddf679/170fee9c47724b30a67b640059a11b9c [2022-12-13 13:20:57,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:20:57,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:20:57,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:20:57,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:20:57,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:20:57,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:20:57" (1/1) ... [2022-12-13 13:20:57,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33950a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:57, skipping insertion in model container [2022-12-13 13:20:57,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:20:57" (1/1) ... [2022-12-13 13:20:57,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:20:57,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:20:57,712 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:20:58,126 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:20:58,130 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:58,131 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:58,133 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:58,134 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:58,154 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:20:58,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:20:58,172 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:20:58,190 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:20:58,236 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:20:58,238 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:58,239 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:20:58,241 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:58,242 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:20:58,246 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:20:58,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:20:58,364 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:20:58,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58 WrapperNode [2022-12-13 13:20:58,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:20:58,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:20:58,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:20:58,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:20:58,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,423 INFO L138 Inliner]: procedures = 505, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 13:20:58,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:20:58,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:20:58,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:20:58,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:20:58,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:20:58,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:20:58,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:20:58,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:20:58,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (1/1) ... [2022-12-13 13:20:58,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:20:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:20:58,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:20:58,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:20:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:20:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 13:20:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:20:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 13:20:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:20:58,622 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:20:58,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:20:58,734 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:20:58,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:20:58,739 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:20:58,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:20:58 BoogieIcfgContainer [2022-12-13 13:20:58,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:20:58,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:20:58,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:20:58,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:20:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:20:57" (1/3) ... [2022-12-13 13:20:58,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fecc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:20:58, skipping insertion in model container [2022-12-13 13:20:58,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:20:58" (2/3) ... [2022-12-13 13:20:58,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fecc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:20:58, skipping insertion in model container [2022-12-13 13:20:58,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:20:58" (3/3) ... [2022-12-13 13:20:58,746 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_63_bad.i [2022-12-13 13:20:58,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:20:58,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:20:58,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:20:58,796 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;@537a0d98, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:20:58,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:20:58,799 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) [2022-12-13 13:20:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:20:58,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:20:58,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:20:58,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:20:58,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:20:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 13:20:58,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:20:58,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419517358] [2022-12-13 13:20:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:20:58,819 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 [2022-12-13 13:20:58,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:20:58,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 13:20:58,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:20:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:20:58,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:20:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:20:58,996 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:20:58,998 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:20:58,999 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:20:59,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:20:59,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:20:59,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 13:20:59,205 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:20:59,208 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:20:59,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:20:59 BoogieIcfgContainer [2022-12-13 13:20:59,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:20:59,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:20:59,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:20:59,231 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:20:59,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:20:58" (3/4) ... [2022-12-13 13:20:59,233 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:20:59,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:20:59,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:20:59,261 INFO L158 Benchmark]: Toolchain (without parser) took 1824.47ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 58.9MB in the end (delta: 5.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,261 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:20:59,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 927.57ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 44.6MB in the end (delta: 19.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.63ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 41.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,262 INFO L158 Benchmark]: Boogie Preprocessor took 28.81ms. Allocated memory is still 90.2MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,262 INFO L158 Benchmark]: RCFGBuilder took 286.43ms. Allocated memory is still 90.2MB. Free memory was 39.3MB in the beginning and 51.6MB in the end (delta: -12.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,263 INFO L158 Benchmark]: TraceAbstraction took 489.22ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 61.5MB in the end (delta: -10.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,263 INFO L158 Benchmark]: Witness Printer took 29.06ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 58.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:20:59,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 927.57ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 44.6MB in the end (delta: 19.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.63ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 41.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.81ms. Allocated memory is still 90.2MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.43ms. Allocated memory is still 90.2MB. Free memory was 39.3MB in the beginning and 51.6MB in the end (delta: -12.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 489.22ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 61.5MB in the end (delta: -10.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 29.06ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 58.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1569]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=0, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data < 0 VAL [data=-1073741825, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [data=-1073741825, dataPtr={5:0}, dataPtr={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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: 0.4s, 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=23occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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! [2022-12-13 13:20:59,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f46f31-dc77-4571-987d-f3413cef203f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)