./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_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_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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_2ffd697d-4e28-469d-8688-16a9a47aa201/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 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 --- 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 20:45:21,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:45:21,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:45:21,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:45:21,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:45:21,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:45:21,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:45:21,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:45:21,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:45:21,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:45:21,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:45:21,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:45:21,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:45:21,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:45:21,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:45:21,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:45:21,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:45:21,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:45:21,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:45:21,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:45:21,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:45:21,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:45:21,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:45:21,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:45:21,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:45:21,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:45:21,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:45:21,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:45:21,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:45:21,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:45:21,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:45:21,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:45:21,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:45:21,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:45:21,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:45:21,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:45:21,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:45:21,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:45:21,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:45:21,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:45:21,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:45:21,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:45:21,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:45:21,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:45:21,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:45:21,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:45:21,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:45:21,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:45:21,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:45:21,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:45:21,465 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:45:21,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:45:21,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:45:21,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:45:21,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:45:21,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:45:21,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:45:21,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:45:21,468 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:45:21,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:45:21,468 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:45:21,468 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_2ffd697d-4e28-469d-8688-16a9a47aa201/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 [2022-12-13 20:45:21,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:45:21,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:45:21,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:45:21,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:45:21,645 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:45:21,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2022-12-13 20:45:24,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:45:24,515 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:45:24,516 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2022-12-13 20:45:24,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data/aec2331ee/10dc584968e848d28f53015fd0b90c44/FLAG87e525817 [2022-12-13 20:45:24,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data/aec2331ee/10dc584968e848d28f53015fd0b90c44 [2022-12-13 20:45:24,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:45:24,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:45:24,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:45:24,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:45:24,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:45:24,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:45:24" (1/1) ... [2022-12-13 20:45:24,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21224fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:24, skipping insertion in model container [2022-12-13 20:45:24,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:45:24" (1/1) ... [2022-12-13 20:45:24,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:45:24,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:45:24,870 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:45:25,180 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:45:25,186 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:25,188 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:25,190 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:25,191 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:25,217 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:45:25,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:45:25,228 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:45:25,245 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:45:25,293 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:45:25,295 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:25,296 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:25,299 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:25,300 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:25,306 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:45:25,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:45:25,398 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:45:25,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25 WrapperNode [2022-12-13 20:45:25,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:45:25,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:45:25,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:45:25,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:45:25,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,448 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-12-13 20:45:25,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:45:25,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:45:25,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:45:25,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:45:25,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:45:25,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:45:25,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:45:25,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:45:25,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (1/1) ... [2022-12-13 20:45:25,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:45:25,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:45:25,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:45:25,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:45:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:45:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:45:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:45:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:45:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:45:25,653 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:45:25,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:45:25,786 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:45:25,792 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:45:25,792 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:45:25,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:45:25 BoogieIcfgContainer [2022-12-13 20:45:25,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:45:25,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:45:25,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:45:25,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:45:25,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:45:24" (1/3) ... [2022-12-13 20:45:25,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9b7990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:45:25, skipping insertion in model container [2022-12-13 20:45:25,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:25" (2/3) ... [2022-12-13 20:45:25,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9b7990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:45:25, skipping insertion in model container [2022-12-13 20:45:25,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:45:25" (3/3) ... [2022-12-13 20:45:25,803 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2022-12-13 20:45:25,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:45:25,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:45:25,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:45:25,863 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;@5d0965ef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:45:25,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:45:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 20:45:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:45:25,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:45:25,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:45:25,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:45:25,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:45:25,876 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 20:45:25,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:45:25,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742071561] [2022-12-13 20:45:25,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:45:25,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:45:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:45:26,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:45:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:45:26,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:45:26,068 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:45:26,069 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:45:26,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:45:26,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:45:26,074 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:45:26,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:45:26,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:45:26 BoogieIcfgContainer [2022-12-13 20:45:26,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:45:26,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:45:26,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:45:26,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:45:26,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:45:25" (3/4) ... [2022-12-13 20:45:26,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:45:26,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:45:26,100 INFO L158 Benchmark]: Toolchain (without parser) took 1554.89ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 59.6MB in the end (delta: 60.2MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2022-12-13 20:45:26,100 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:45:26,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.24ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 101.5MB in the end (delta: 18.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-12-13 20:45:26,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.88ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 98.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:45:26,101 INFO L158 Benchmark]: Boogie Preprocessor took 25.06ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:45:26,101 INFO L158 Benchmark]: RCFGBuilder took 319.46ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 81.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:45:26,102 INFO L158 Benchmark]: TraceAbstraction took 298.96ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 59.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 20:45:26,102 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 155.2MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:45:26,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.24ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 101.5MB in the end (delta: 18.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.88ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 98.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.06ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.46ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 81.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 298.96ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 59.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 155.2MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 2.7kB). 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={5:0}, dataPtr1={5:0}, dataPtr2={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()=0, rand()=2, rand()=2147483647, rand()=65535, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data-- VAL [data={5:0}, data=-2147483648, data=-2147483648, data--=-2147483648, dataPtr1={5:0}, dataPtr2={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: 1562]: 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, 21 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=21occurred 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 20:45:26,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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 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_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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_2ffd697d-4e28-469d-8688-16a9a47aa201/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 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 --- 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 20:45:27,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:45:27,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:45:27,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:45:27,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:45:27,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:45:27,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:45:27,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:45:27,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:45:27,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:45:27,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:45:27,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:45:27,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:45:27,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:45:27,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:45:27,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:45:27,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:45:27,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:45:27,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:45:27,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:45:27,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:45:27,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:45:27,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:45:27,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:45:27,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:45:27,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:45:27,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:45:27,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:45:27,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:45:27,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:45:27,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:45:27,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:45:27,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:45:27,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:45:27,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:45:27,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:45:27,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:45:27,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:45:27,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:45:27,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:45:27,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:45:27,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 20:45:27,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:45:27,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:45:27,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:45:27,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:45:27,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:45:27,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:45:27,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:45:27,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:45:27,797 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:45:27,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:45:27,797 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:45:27,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:45:27,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:45:27,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:45:27,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:45:27,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:45:27,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:45:27,798 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:45:27,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:45:27,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:45:27,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:45:27,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:45:27,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:45:27,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:45:27,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:45:27,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:45:27,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:45:27,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:45:27,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:45:27,801 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:45:27,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:45:27,806 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:45:27,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:45:27,807 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:45:27,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:45:27,807 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:45:27,808 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:45:27,808 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_2ffd697d-4e28-469d-8688-16a9a47aa201/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13cae3d16c415285e5ad98047f856db9ff4166dc5d3de121b665981790c08a20 [2022-12-13 20:45:28,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:45:28,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:45:28,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:45:28,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:45:28,044 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:45:28,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2022-12-13 20:45:30,613 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:45:30,848 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:45:30,849 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2022-12-13 20:45:30,862 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data/230b24522/e1132820fe2a48fcb13bf14a19447088/FLAGebd61d2df [2022-12-13 20:45:30,873 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/data/230b24522/e1132820fe2a48fcb13bf14a19447088 [2022-12-13 20:45:30,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:45:30,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:45:30,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:45:30,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:45:30,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:45:30,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:45:30" (1/1) ... [2022-12-13 20:45:30,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa3dd9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:30, skipping insertion in model container [2022-12-13 20:45:30,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:45:30" (1/1) ... [2022-12-13 20:45:30,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:45:30,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:45:31,147 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:45:31,442 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:45:31,447 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:31,448 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:31,449 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:31,450 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:31,468 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:45:31,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:45:31,478 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:45:31,491 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:45:31,523 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:45:31,525 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:31,525 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:45:31,527 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:31,527 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:45:31,531 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:45:31,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:45:31,629 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:45:31,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31 WrapperNode [2022-12-13 20:45:31,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:45:31,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:45:31,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:45:31,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:45:31,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,678 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-12-13 20:45:31,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:45:31,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:45:31,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:45:31,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:45:31,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:45:31,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:45:31,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:45:31,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:45:31,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (1/1) ... [2022-12-13 20:45:31,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:45:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:45:31,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:45:31,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:45:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:45:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:45:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:45:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 20:45:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:45:31,879 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:45:31,881 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:45:32,015 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:45:32,020 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:45:32,021 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:45:32,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:45:32 BoogieIcfgContainer [2022-12-13 20:45:32,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:45:32,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:45:32,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:45:32,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:45:32,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:45:30" (1/3) ... [2022-12-13 20:45:32,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c615ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:45:32, skipping insertion in model container [2022-12-13 20:45:32,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:45:31" (2/3) ... [2022-12-13 20:45:32,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c615ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:45:32, skipping insertion in model container [2022-12-13 20:45:32,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:45:32" (3/3) ... [2022-12-13 20:45:32,031 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_32_bad.i [2022-12-13 20:45:32,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:45:32,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:45:32,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:45:32,102 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;@156118d3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:45:32,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:45:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 20:45:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:45:32,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:45:32,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:45:32,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:45:32,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:45:32,120 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 20:45:32,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:45:32,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093585716] [2022-12-13 20:45:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:45:32,133 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 20:45:32,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:45:32,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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 20:45:32,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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 20:45:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:45:32,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:45:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:45:32,313 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 20:45:32,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:45:32,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:45:32,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:45:32,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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 20:45:32,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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 20:45:32,523 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:45:32,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:45:32,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:45:32 BoogieIcfgContainer [2022-12-13 20:45:32,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:45:32,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:45:32,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:45:32,552 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:45:32,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:45:32" (3/4) ... [2022-12-13 20:45:32,555 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:45:32,594 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:45:32,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:45:32,595 INFO L158 Benchmark]: Toolchain (without parser) took 1719.15ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.1MB in the beginning and 27.4MB in the end (delta: 18.6MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,595 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:45:32,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.21ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 46.7MB in the end (delta: -824.3kB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.64ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 43.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,601 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 86.0MB. Free memory was 43.4MB in the beginning and 41.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,602 INFO L158 Benchmark]: RCFGBuilder took 317.23ms. Allocated memory is still 86.0MB. Free memory was 41.3MB in the beginning and 48.8MB in the end (delta: -7.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,602 INFO L158 Benchmark]: TraceAbstraction took 526.54ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 29.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,603 INFO L158 Benchmark]: Witness Printer took 41.67ms. Allocated memory is still 86.0MB. Free memory was 29.9MB in the beginning and 27.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:45:32,605 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 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.21ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 46.7MB in the end (delta: -824.3kB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.64ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 43.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 86.0MB. Free memory was 43.4MB in the beginning and 41.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.23ms. Allocated memory is still 86.0MB. Free memory was 41.3MB in the beginning and 48.8MB in the end (delta: -7.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * TraceAbstraction took 526.54ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 29.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 41.67ms. Allocated memory is still 86.0MB. Free memory was 29.9MB in the beginning and 27.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. 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: 1562]: 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={-9223372036854775808:0}, dataPtr1={-9223372036854775808:0}, dataPtr2={-9223372036854775808:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1073741823, rand()=0, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data-- VAL [data={-9223372036854775808:0}, data=-2147483648, data=-2147483648, data--=-2147483648, dataPtr1={-9223372036854775808:0}, dataPtr2={-9223372036854775808:0}, 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: 1562]: 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, 21 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=21occurred 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 20:45:32,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffd697d-4e28-469d-8688-16a9a47aa201/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)