./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/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_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/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_e4825504-1a20-4d9e-bfb5-39243d3769d2/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 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:15:33,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:15:33,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:15:33,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:15:33,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:15:33,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:15:33,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:15:33,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:15:33,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:15:33,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:15:33,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:15:33,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:15:33,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:15:33,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:15:33,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:15:33,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:15:33,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:15:33,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:15:33,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:15:33,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:15:33,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:15:33,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:15:33,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:15:33,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:15:33,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:15:33,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:15:33,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:15:33,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:15:33,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:15:33,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:15:33,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:15:33,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:15:33,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:15:33,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:15:33,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:15:33,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:15:33,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:15:33,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:15:33,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:15:33,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:15:33,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:15:33,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:15:33,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:15:33,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:15:33,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:15:33,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:15:33,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:15:33,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:15:33,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:15:33,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:15:33,376 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:15:33,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:15:33,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:15:33,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:15:33,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:15:33,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:15:33,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:15:33,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:15:33,383 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:15:33,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:15:33,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:15:33,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:15:33,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:15:33,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:15:33,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:15:33,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:15:33,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:15:33,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:15:33,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:15:33,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:15:33,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:15:33,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:15:33,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:15:33,386 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:15:33,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:15:33,386 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:15:33,386 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_e4825504-1a20-4d9e-bfb5-39243d3769d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde [2022-12-13 13:15:33,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:15:33,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:15:33,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:15:33,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:15:33,608 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:15:33,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2022-12-13 13:15:36,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:15:36,452 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:15:36,452 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2022-12-13 13:15:36,466 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data/9488819a9/1b63592bd0e444ee90fffb2ae8745b32/FLAG1863a9648 [2022-12-13 13:15:36,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data/9488819a9/1b63592bd0e444ee90fffb2ae8745b32 [2022-12-13 13:15:36,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:15:36,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:15:36,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:15:36,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:15:36,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:15:36,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:36" (1/1) ... [2022-12-13 13:15:36,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53603b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:36, skipping insertion in model container [2022-12-13 13:15:36,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:36" (1/1) ... [2022-12-13 13:15:36,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:15:36,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:15:36,749 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:15:37,035 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:15:37,039 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:37,041 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:37,042 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:37,043 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:37,061 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:15:37,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:15:37,071 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:15:37,085 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:15:37,114 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:15:37,115 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:37,116 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:37,118 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:37,118 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:37,121 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:15:37,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:15:37,224 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:15:37,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37 WrapperNode [2022-12-13 13:15:37,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:15:37,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:15:37,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:15:37,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:15:37,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,263 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-12-13 13:15:37,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:15:37,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:15:37,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:15:37,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:15:37,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:15:37,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:15:37,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:15:37,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:15:37,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (1/1) ... [2022-12-13 13:15:37,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:15:37,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:15:37,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:15:37,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:15:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:15:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:15:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:15:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:15:37,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:15:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:15:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:15:37,445 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:15:37,446 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:15:37,563 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:15:37,567 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:15:37,567 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:15:37,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:37 BoogieIcfgContainer [2022-12-13 13:15:37,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:15:37,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:15:37,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:15:37,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:15:37,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:15:36" (1/3) ... [2022-12-13 13:15:37,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a785f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:37, skipping insertion in model container [2022-12-13 13:15:37,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:37" (2/3) ... [2022-12-13 13:15:37,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a785f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:37, skipping insertion in model container [2022-12-13 13:15:37,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:37" (3/3) ... [2022-12-13 13:15:37,575 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2022-12-13 13:15:37,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:15:37,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:15:37,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:15:37,626 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;@43e8325b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:15:37,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:15:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 13:15:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:15:37,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:15:37,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:15:37,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:15:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:37,639 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 13:15:37,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:15:37,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287044647] [2022-12-13 13:15:37,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:37,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:15:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:15:37,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:15:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:15:37,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:15:37,798 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:15:37,799 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:15:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:15:37,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:15:37,805 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:15:37,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:15:37,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:15:37 BoogieIcfgContainer [2022-12-13 13:15:37,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:15:37,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:15:37,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:15:37,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:15:37,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:37" (3/4) ... [2022-12-13 13:15:37,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:15:37,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:15:37,831 INFO L158 Benchmark]: Toolchain (without parser) took 1349.93ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 85.1MB in the beginning and 112.4MB in the end (delta: -27.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-12-13 13:15:37,831 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:15:37,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.18ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 84.7MB in the beginning and 98.2MB in the end (delta: -13.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-12-13 13:15:37,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.46ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 94.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:15:37,832 INFO L158 Benchmark]: Boogie Preprocessor took 18.52ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:15:37,832 INFO L158 Benchmark]: RCFGBuilder took 285.79ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 80.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:15:37,833 INFO L158 Benchmark]: TraceAbstraction took 255.45ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 112.4MB in the end (delta: -33.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:15:37,833 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 151.0MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:15:37,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.18ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 84.7MB in the beginning and 98.2MB in the end (delta: -13.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.46ms. Allocated memory is still 151.0MB. Free memory was 98.2MB in the beginning and 94.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.52ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.79ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 80.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 255.45ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 112.4MB in the end (delta: -33.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 151.0MB. Free memory is still 112.4MB. 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: 1576]: 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); [L1549] int CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [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 [CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1073741824, rand()=2, rand()=32768, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=-1073741825, 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: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:15:37,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/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_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/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_e4825504-1a20-4d9e-bfb5-39243d3769d2/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 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:15:39,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:15:39,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:15:39,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:15:39,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:15:39,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:15:39,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:15:39,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:15:39,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:15:39,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:15:39,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:15:39,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:15:39,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:15:39,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:15:39,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:15:39,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:15:39,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:15:39,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:15:39,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:15:39,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:15:39,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:15:39,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:15:39,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:15:39,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:15:39,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:15:39,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:15:39,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:15:39,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:15:39,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:15:39,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:15:39,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:15:39,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:15:39,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:15:39,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:15:39,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:15:39,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:15:39,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:15:39,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:15:39,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:15:39,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:15:39,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:15:39,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:15:39,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:15:39,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:15:39,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:15:39,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:15:39,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:15:39,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:15:39,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:15:39,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:15:39,665 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:15:39,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:15:39,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:15:39,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:15:39,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:15:39,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:15:39,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:15:39,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:15:39,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:15:39,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:15:39,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:15:39,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:15:39,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:15:39,668 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:15:39,669 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_e4825504-1a20-4d9e-bfb5-39243d3769d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29289bbaee339b4914ed65a137690dac8899e895927a5f12f2b95059d9217fde [2022-12-13 13:15:39,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:15:39,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:15:39,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:15:39,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:15:39,923 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:15:39,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2022-12-13 13:15:42,535 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:15:42,799 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:15:42,799 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2022-12-13 13:15:42,812 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data/138dd1d8a/3b4942deae164c7c91df8b05faa35cc3/FLAGd37505ee9 [2022-12-13 13:15:42,823 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/data/138dd1d8a/3b4942deae164c7c91df8b05faa35cc3 [2022-12-13 13:15:42,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:15:42,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:15:42,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:15:42,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:15:42,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:15:42,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:42" (1/1) ... [2022-12-13 13:15:42,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ec164d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:42, skipping insertion in model container [2022-12-13 13:15:42,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:42" (1/1) ... [2022-12-13 13:15:42,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:15:42,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:15:43,087 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:15:43,364 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:15:43,368 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:43,369 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:43,370 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:43,371 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:43,386 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:15:43,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:15:43,399 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:15:43,412 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:15:43,444 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:15:43,445 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:43,446 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:15:43,448 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:43,448 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:15:43,451 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:15:43,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:15:43,557 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:15:43,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43 WrapperNode [2022-12-13 13:15:43,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:15:43,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:15:43,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:15:43,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:15:43,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,603 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-13 13:15:43,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:15:43,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:15:43,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:15:43,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:15:43,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:15:43,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:15:43,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:15:43,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:15:43,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (1/1) ... [2022-12-13 13:15:43,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:15:43,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:15:43,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:15:43,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:15:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:15:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:15:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:15:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:15:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:15:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:15:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:15:43,796 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:15:43,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:15:43,900 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:15:43,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:15:43,904 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:15:43,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:43 BoogieIcfgContainer [2022-12-13 13:15:43,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:15:43,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:15:43,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:15:43,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:15:43,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:15:42" (1/3) ... [2022-12-13 13:15:43,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d10dce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:43, skipping insertion in model container [2022-12-13 13:15:43,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:43" (2/3) ... [2022-12-13 13:15:43,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d10dce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:43, skipping insertion in model container [2022-12-13 13:15:43,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:43" (3/3) ... [2022-12-13 13:15:43,912 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_68_bad.i [2022-12-13 13:15:43,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:15:43,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:15:43,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:15:43,966 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;@63919b88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:15:43,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:15:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 13:15:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:15:43,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:15:43,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:15:43,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:15:43,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:43,980 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 13:15:43,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:15:43,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446948044] [2022-12-13 13:15:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:43,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:15:43,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:15:43,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:15:43,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 13:15:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:15:44,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:15:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:15:44,136 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:15:44,138 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:15:44,139 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:15:44,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:15:44,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:15:44,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:15:44,346 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:15:44,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:15:44,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:15:44 BoogieIcfgContainer [2022-12-13 13:15:44,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:15:44,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:15:44,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:15:44,373 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:15:44,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:43" (3/4) ... [2022-12-13 13:15:44,375 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:15:44,428 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:15:44,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:15:44,430 INFO L158 Benchmark]: Toolchain (without parser) took 1603.75ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 86.4MB in the beginning and 102.2MB in the end (delta: -15.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,430 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:15:44,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.91ms. Allocated memory is still 109.1MB. Free memory was 86.0MB in the beginning and 52.7MB in the end (delta: 33.3MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.44ms. Allocated memory is still 109.1MB. Free memory was 52.7MB in the beginning and 49.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,432 INFO L158 Benchmark]: Boogie Preprocessor took 23.83ms. Allocated memory is still 109.1MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,433 INFO L158 Benchmark]: RCFGBuilder took 277.39ms. Allocated memory is still 109.1MB. Free memory was 47.4MB in the beginning and 71.5MB in the end (delta: -24.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,434 INFO L158 Benchmark]: TraceAbstraction took 464.83ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 53.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,434 INFO L158 Benchmark]: Witness Printer took 56.25ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 102.2MB in the end (delta: -48.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:15:44,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.91ms. Allocated memory is still 109.1MB. Free memory was 86.0MB in the beginning and 52.7MB in the end (delta: 33.3MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.44ms. Allocated memory is still 109.1MB. Free memory was 52.7MB in the beginning and 49.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.83ms. Allocated memory is still 109.1MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.39ms. Allocated memory is still 109.1MB. Free memory was 47.4MB in the beginning and 71.5MB in the end (delta: -24.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 464.83ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 53.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 56.25ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 102.2MB in the end (delta: -48.3MB). 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: 1576]: 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); [L1549] int CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData; VAL [CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [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 [CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, 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()=32767, rand()=0, rand()=1, rand()=32766, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483647] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_multiply_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-2147483647, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=-2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-2147483647, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=-2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_68_badData=-2147483647, CWE191_Integer_Underflow__int_rand_multiply_68_goodG2BData=0, data=-2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:15:44,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4825504-1a20-4d9e-bfb5-39243d3769d2/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)