./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 --- 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 12:24:23,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:24:23,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:24:24,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:24:24,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:24:24,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:24:24,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:24:24,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:24:24,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:24:24,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:24:24,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:24:24,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:24:24,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:24:24,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:24:24,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:24:24,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:24:24,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:24:24,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:24:24,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:24:24,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:24:24,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:24:24,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:24:24,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:24:24,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:24:24,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:24:24,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:24:24,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:24:24,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:24:24,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:24:24,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:24:24,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:24:24,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:24:24,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:24:24,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:24:24,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:24:24,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:24:24,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:24:24,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:24:24,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:24:24,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:24:24,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:24:24,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:24:24,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:24:24,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:24:24,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:24:24,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:24:24,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:24:24,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:24:24,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:24:24,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:24:24,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:24:24,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:24:24,082 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:24:24,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:24:24,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:24:24,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:24:24,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:24:24,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:24:24,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:24:24,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:24:24,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:24:24,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:24:24,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:24:24,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:24:24,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:24:24,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:24:24,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:24:24,084 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:24:24,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:24:24,084 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:24:24,085 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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 [2022-12-13 12:24:24,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:24:24,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:24:24,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:24:24,280 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:24:24,280 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:24:24,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2022-12-13 12:24:26,836 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:24:27,074 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:24:27,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2022-12-13 12:24:27,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data/11316035e/36af1a69a95d492b8f491edc75557a74/FLAG4a991f289 [2022-12-13 12:24:27,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data/11316035e/36af1a69a95d492b8f491edc75557a74 [2022-12-13 12:24:27,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:24:27,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:24:27,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:24:27,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:24:27,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:24:27,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71624498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27, skipping insertion in model container [2022-12-13 12:24:27,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:24:27,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:24:27,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:24:27,676 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:24:27,680 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:27,682 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:27,684 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:27,684 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:27,703 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:24:27,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:24:27,716 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:24:27,733 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:24:27,775 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:24:27,777 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:27,778 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:27,781 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:27,782 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:27,786 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:24:27,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:24:27,915 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:24:27,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27 WrapperNode [2022-12-13 12:24:27,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:24:27,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:24:27,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:24:27,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:24:27,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,964 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-12-13 12:24:27,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:24:27,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:24:27,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:24:27,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:24:27,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:24:27,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:24:27,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:24:27,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:24:27,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (1/1) ... [2022-12-13 12:24:27,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:24:27,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:24:28,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:24:28,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:24:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:24:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:24:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:24:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:24:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:24:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:24:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:24:28,148 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:24:28,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:24:28,267 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:24:28,273 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:24:28,273 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:24:28,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:28 BoogieIcfgContainer [2022-12-13 12:24:28,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:24:28,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:24:28,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:24:28,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:24:28,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:24:27" (1/3) ... [2022-12-13 12:24:28,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc7fdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:24:28, skipping insertion in model container [2022-12-13 12:24:28,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:27" (2/3) ... [2022-12-13 12:24:28,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc7fdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:24:28, skipping insertion in model container [2022-12-13 12:24:28,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:28" (3/3) ... [2022-12-13 12:24:28,283 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2022-12-13 12:24:28,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:24:28,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 12:24:28,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:24:28,343 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;@5c8aef3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:24:28,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:24:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 12:24:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:24:28,351 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:28,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:28,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:24:28,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:28,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-12-13 12:24:28,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:24:28,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091123014] [2022-12-13 12:24:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:24:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:28,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:24:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:28,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:24:28,574 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:24:28,576 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 12:24:28,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 12:24:28,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:24:28,581 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:24:28,584 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:24:28,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:24:28 BoogieIcfgContainer [2022-12-13 12:24:28,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:24:28,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:24:28,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:24:28,609 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:24:28,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:28" (3/4) ... [2022-12-13 12:24:28,611 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:24:28,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:24:28,613 INFO L158 Benchmark]: Toolchain (without parser) took 1511.34ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 58.4MB in the end (delta: 46.3MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-12-13 12:24:28,613 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:24:28,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.69ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 96.8MB in the end (delta: 7.4MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-12-13 12:24:28,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.24ms. Allocated memory is still 144.7MB. Free memory was 96.8MB in the beginning and 93.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:24:28,614 INFO L158 Benchmark]: Boogie Preprocessor took 18.14ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:24:28,615 INFO L158 Benchmark]: RCFGBuilder took 291.01ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 78.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:24:28,616 INFO L158 Benchmark]: TraceAbstraction took 331.05ms. Allocated memory is still 144.7MB. Free memory was 78.0MB in the beginning and 59.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:24:28,616 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 144.7MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:24:28,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.69ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 96.8MB in the end (delta: 7.4MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.24ms. Allocated memory is still 144.7MB. Free memory was 96.8MB in the beginning and 93.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.14ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 291.01ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 78.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 331.05ms. Allocated memory is still 144.7MB. Free memory was 78.0MB in the beginning and 59.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 144.7MB. Free memory is still 58.4MB. 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: 1582]: 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)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, 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_sub_54_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=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()=4, rand()=1, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [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_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_sub_54e_badSink(data) [L1582] data - 1 VAL [\old(data)=-2147483648, 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] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=25occurred 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 [2022-12-13 12:24:28,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 --- 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 12:24:30,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:24:30,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:24:30,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:24:30,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:24:30,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:24:30,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:24:30,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:24:30,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:24:30,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:24:30,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:24:30,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:24:30,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:24:30,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:24:30,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:24:30,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:24:30,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:24:30,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:24:30,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:24:30,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:24:30,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:24:30,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:24:30,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:24:30,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:24:30,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:24:30,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:24:30,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:24:30,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:24:30,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:24:30,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:24:30,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:24:30,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:24:30,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:24:30,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:24:30,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:24:30,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:24:30,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:24:30,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:24:30,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:24:30,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:24:30,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:24:30,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 12:24:30,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:24:30,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:24:30,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:24:30,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:24:30,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:24:30,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:24:30,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:24:30,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:24:30,263 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:24:30,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:24:30,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:24:30,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:24:30,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:24:30,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:24:30,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:24:30,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:24:30,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:24:30,265 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:24:30,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:24:30,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:24:30,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:24:30,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:24:30,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:24:30,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:24:30,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:24:30,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:24:30,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:24:30,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:24:30,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:24:30,267 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:24:30,267 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:24:30,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:24:30,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:24:30,273 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:24:30,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:24:30,274 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:24:30,274 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:24:30,274 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_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5648b60e922b7d350285293484e796b30bc8f7ce5e6c9f102fdb31b8c9150201 [2022-12-13 12:24:30,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:24:30,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:24:30,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:24:30,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:24:30,540 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:24:30,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2022-12-13 12:24:33,122 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:24:33,371 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:24:33,371 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2022-12-13 12:24:33,386 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data/0ca2709e8/f0ebb3b15a0249ab8d945d4dde06e992/FLAG9f91a5b50 [2022-12-13 12:24:33,397 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/data/0ca2709e8/f0ebb3b15a0249ab8d945d4dde06e992 [2022-12-13 12:24:33,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:24:33,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:24:33,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:24:33,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:24:33,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:24:33,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:24:33" (1/1) ... [2022-12-13 12:24:33,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8655a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:33, skipping insertion in model container [2022-12-13 12:24:33,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:24:33" (1/1) ... [2022-12-13 12:24:33,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:24:33,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:24:33,689 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:24:33,963 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:24:33,967 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:33,968 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:33,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:33,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:33,985 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:24:33,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:24:33,999 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:24:34,011 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:24:34,043 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:24:34,044 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:34,052 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:24:34,053 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:34,054 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:24:34,057 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:24:34,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:24:34,138 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:24:34,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34 WrapperNode [2022-12-13 12:24:34,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:24:34,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:24:34,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:24:34,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:24:34,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,176 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-12-13 12:24:34,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:24:34,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:24:34,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:24:34,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:24:34,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:24:34,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:24:34,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:24:34,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:24:34,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (1/1) ... [2022-12-13 12:24:34,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:24:34,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:24:34,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:24:34,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:24:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:24:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:24:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:24:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:24:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:24:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:24:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:24:34,369 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:24:34,370 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:24:34,485 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:24:34,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:24:34,491 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:24:34,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:34 BoogieIcfgContainer [2022-12-13 12:24:34,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:24:34,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:24:34,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:24:34,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:24:34,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:24:33" (1/3) ... [2022-12-13 12:24:34,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8864074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:24:34, skipping insertion in model container [2022-12-13 12:24:34,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:24:34" (2/3) ... [2022-12-13 12:24:34,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8864074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:24:34, skipping insertion in model container [2022-12-13 12:24:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:34" (3/3) ... [2022-12-13 12:24:34,501 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_54_bad.i [2022-12-13 12:24:34,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:24:34,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 12:24:34,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:24:34,559 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;@35f877b4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:24:34,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 12:24:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 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 12:24:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:24:34,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:24:34,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:24:34,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 12:24:34,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:24:34,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-12-13 12:24:34,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:24:34,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129261786] [2022-12-13 12:24:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:24:34,588 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 12:24:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:24:34,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 12:24:34,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 12:24:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:34,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:24:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:24:34,750 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 12:24:34,753 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:24:34,754 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 12:24:34,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 12:24:34,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 12:24:34,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 12:24:34,969 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:24:34,983 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:24:35,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:24:35 BoogieIcfgContainer [2022-12-13 12:24:35,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:24:35,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:24:35,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:24:35,048 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:24:35,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:24:34" (3/4) ... [2022-12-13 12:24:35,054 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 12:24:35,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:24:35,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:24:35,123 INFO L158 Benchmark]: Toolchain (without parser) took 1723.51ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.8MB in the beginning and 50.1MB in the end (delta: -6.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,124 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:24:35,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.26ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 44.3MB in the end (delta: -649.2kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.27ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 41.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,125 INFO L158 Benchmark]: Boogie Preprocessor took 20.08ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 38.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,125 INFO L158 Benchmark]: RCFGBuilder took 295.15ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 48.0MB in the end (delta: -9.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,126 INFO L158 Benchmark]: TraceAbstraction took 551.07ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 52.2MB in the end (delta: -5.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,126 INFO L158 Benchmark]: Witness Printer took 75.14ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:24:35,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.26ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 44.3MB in the end (delta: -649.2kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.27ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 41.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.08ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 38.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.15ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 48.0MB in the end (delta: -9.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 551.07ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 52.2MB in the end (delta: -5.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 75.14ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1582]: 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_sub_54_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=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()=65535, rand()=0, rand()=32767, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [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_sub_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_rand_sub_54e_badSink(data) [L1582] data - 1 VAL [\old(data)=-2147483648, 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] - UnprovableResult [Line: 1582]: 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, 25 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=25occurred 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, 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! [2022-12-13 12:24:35,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0cc9b09-3ac2-4479-a897-fc9ba64bf766/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)