./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS --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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- 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-4e7fbc6 [2022-11-23 02:19:25,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:19:25,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:19:25,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:19:25,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:19:25,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:19:25,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:19:25,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:19:25,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:19:25,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:19:25,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:19:25,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:19:25,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:19:25,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:19:25,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:19:25,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:19:25,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:19:25,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:19:25,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:19:25,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:19:25,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:19:26,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:19:26,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:19:26,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:19:26,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:19:26,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:19:26,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:19:26,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:19:26,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:19:26,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:19:26,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:19:26,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:19:26,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:19:26,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:19:26,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:19:26,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:19:26,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:19:26,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:19:26,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:19:26,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:19:26,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:19:26,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:19:26,081 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:19:26,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:19:26,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:19:26,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:19:26,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:19:26,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:19:26,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:19:26,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:19:26,084 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:19:26,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:19:26,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:19:26,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:19:26,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:19:26,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:19:26,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:19:26,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:19:26,086 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:19:26,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:19:26,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:19:26,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:19:26,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:19:26,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:19:26,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:19:26,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:19:26,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:19:26,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:19:26,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:19:26,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:19:26,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:19:26,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:19:26,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:19:26,092 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:19:26,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:19:26,093 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_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2022-11-23 02:19:26,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:19:26,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:19:26,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:19:26,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:19:26,438 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:19:26,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-23 02:19:29,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:19:29,920 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:19:29,920 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-23 02:19:29,946 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data/c6ceb316b/d003d2b5a9244a4ab5df57d334052b36/FLAG0b2c81074 [2022-11-23 02:19:29,959 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data/c6ceb316b/d003d2b5a9244a4ab5df57d334052b36 [2022-11-23 02:19:29,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:19:29,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:19:29,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:19:29,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:19:29,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:19:29,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:29" (1/1) ... [2022-11-23 02:19:29,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b195638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:29, skipping insertion in model container [2022-11-23 02:19:29,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:29" (1/1) ... [2022-11-23 02:19:29,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:19:30,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:19:30,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:19:31,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:19:31,179 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:19:31,226 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:19:31,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:19:31,480 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:19:31,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31 WrapperNode [2022-11-23 02:19:31,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:19:31,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:19:31,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:19:31,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:19:31,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,577 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-23 02:19:31,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:19:31,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:19:31,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:19:31,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:19:31,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:19:31,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:19:31,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:19:31,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:19:31,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (1/1) ... [2022-11-23 02:19:31,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:19:31,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:19:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:19:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:19:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:19:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:19:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:19:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:19:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:19:31,897 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:19:31,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:19:32,061 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:19:32,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:19:32,067 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:19:32,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:32 BoogieIcfgContainer [2022-11-23 02:19:32,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:19:32,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:19:32,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:19:32,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:19:32,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:19:29" (1/3) ... [2022-11-23 02:19:32,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d01b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:32, skipping insertion in model container [2022-11-23 02:19:32,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:31" (2/3) ... [2022-11-23 02:19:32,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d01b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:32, skipping insertion in model container [2022-11-23 02:19:32,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:32" (3/3) ... [2022-11-23 02:19:32,105 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-23 02:19:32,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:19:32,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 02:19:32,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:19:32,201 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;@1ae1b543, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:19:32,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 02:19:32,206 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) [2022-11-23 02:19:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 02:19:32,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:32,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:32,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:19:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:32,221 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2022-11-23 02:19:32,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:32,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744742437] [2022-11-23 02:19:32,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:32,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:32,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:32,568 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:19:32,569 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 02:19:32,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 02:19:32,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:19:32,577 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 02:19:32,587 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:19:32,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:19:32 BoogieIcfgContainer [2022-11-23 02:19:32,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:19:32,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:19:32,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:19:32,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:19:32,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:32" (3/4) ... [2022-11-23 02:19:32,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:19:32,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:19:32,650 INFO L158 Benchmark]: Toolchain (without parser) took 2686.29ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 86.1MB in the beginning and 133.9MB in the end (delta: -47.8MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-11-23 02:19:32,651 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:32,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.87ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 85.7MB in the beginning and 113.2MB in the end (delta: -27.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-23 02:19:32,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.26ms. Allocated memory is still 180.4MB. Free memory was 113.2MB in the beginning and 110.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:32,653 INFO L158 Benchmark]: Boogie Preprocessor took 58.70ms. Allocated memory is still 180.4MB. Free memory was 110.4MB in the beginning and 109.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:32,653 INFO L158 Benchmark]: RCFGBuilder took 431.63ms. Allocated memory is still 180.4MB. Free memory was 108.3MB in the beginning and 95.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 02:19:32,654 INFO L158 Benchmark]: TraceAbstraction took 557.76ms. Allocated memory is still 180.4MB. Free memory was 94.4MB in the beginning and 133.9MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:32,654 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 133.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:32,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.87ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 85.7MB in the beginning and 113.2MB in the end (delta: -27.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.26ms. Allocated memory is still 180.4MB. Free memory was 113.2MB in the beginning and 110.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.70ms. Allocated memory is still 180.4MB. Free memory was 110.4MB in the beginning and 109.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.63ms. Allocated memory is still 180.4MB. Free memory was 108.3MB in the beginning and 95.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 557.76ms. Allocated memory is still 180.4MB. Free memory was 94.4MB in the beginning and 133.9MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 133.9MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1570, overapproximation of bitwiseAnd at line 1570. 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] [L1563] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [#in~argv={1073774594:1073774596}, argc=1073774595, argv={1073774594:1073774596}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=1073774595] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1073774593, rand()=1, rand()=0, rand()=32769, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073774593, unknown-#in~data-unknown=0] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [\result=-1073774593, data=-1073774593, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~data-unknown=0] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [data=-1073774593, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [data=-1073774593, 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: 1556]: 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 02:19:32,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/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_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS --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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- 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-4e7fbc6 [2022-11-23 02:19:35,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:19:35,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:19:35,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:19:35,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:19:35,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:19:35,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:19:35,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:19:35,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:19:35,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:19:35,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:19:35,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:19:35,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:19:35,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:19:35,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:19:35,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:19:35,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:19:35,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:19:35,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:19:35,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:19:35,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:19:35,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:19:35,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:19:35,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:19:35,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:19:35,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:19:35,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:19:35,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:19:35,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:19:35,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:19:35,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:19:35,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:19:35,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:19:35,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:19:35,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:19:35,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:19:35,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:19:35,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:19:35,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:19:35,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:19:35,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:19:35,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-23 02:19:35,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:19:35,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:19:35,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:19:35,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:19:35,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:19:35,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:19:35,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:19:35,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:19:35,224 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:19:35,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:19:35,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:19:35,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:19:35,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:19:35,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:19:35,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:19:35,226 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 02:19:35,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 02:19:35,227 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:19:35,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 02:19:35,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:19:35,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:19:35,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:19:35,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:19:35,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:19:35,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:19:35,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:19:35,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:19:35,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:19:35,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:19:35,230 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 02:19:35,231 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 02:19:35,231 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:19:35,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:19:35,232 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:19:35,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:19:35,232 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 02:19:35,232 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_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2022-11-23 02:19:35,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:19:35,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:19:35,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:19:35,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:19:35,701 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:19:35,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-23 02:19:38,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:19:39,189 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:19:39,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-23 02:19:39,226 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data/1168eb93f/810c6a4df99448f88837cba4db2f9f34/FLAGa083fb351 [2022-11-23 02:19:39,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/data/1168eb93f/810c6a4df99448f88837cba4db2f9f34 [2022-11-23 02:19:39,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:19:39,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:19:39,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:19:39,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:19:39,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:19:39,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:39" (1/1) ... [2022-11-23 02:19:39,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebcd120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:39, skipping insertion in model container [2022-11-23 02:19:39,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:39" (1/1) ... [2022-11-23 02:19:39,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:19:39,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:19:39,742 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:19:40,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:19:40,331 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:19:40,350 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:19:40,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:19:40,594 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:19:40,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40 WrapperNode [2022-11-23 02:19:40,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:19:40,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:19:40,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:19:40,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:19:40,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,654 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-11-23 02:19:40,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:19:40,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:19:40,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:19:40,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:19:40,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:19:40,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:19:40,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:19:40,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:19:40,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (1/1) ... [2022-11-23 02:19:40,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:19:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:40,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:40,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:19:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:19:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 02:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:19:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:19:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:19:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:19:40,996 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:19:41,012 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:19:41,180 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:19:41,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:19:41,186 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:19:41,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:41 BoogieIcfgContainer [2022-11-23 02:19:41,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:19:41,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:19:41,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:19:41,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:19:41,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:19:39" (1/3) ... [2022-11-23 02:19:41,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d3113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:41, skipping insertion in model container [2022-11-23 02:19:41,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:40" (2/3) ... [2022-11-23 02:19:41,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d3113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:41, skipping insertion in model container [2022-11-23 02:19:41,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:41" (3/3) ... [2022-11-23 02:19:41,197 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2022-11-23 02:19:41,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:19:41,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 02:19:41,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:19:41,274 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;@68efe108, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:19:41,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 02:19:41,279 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) [2022-11-23 02:19:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 02:19:41,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:41,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:41,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 02:19:41,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2022-11-23 02:19:41,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 02:19:41,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954103439] [2022-11-23 02:19:41,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:41,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:19:41,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 02:19:41,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 02:19:41,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 02:19:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:41,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:41,642 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-23 02:19:41,648 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 02:19:41,650 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 02:19:41,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 02:19:41,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:41,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 02:19:41,868 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 02:19:41,881 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:19:41,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:19:41 BoogieIcfgContainer [2022-11-23 02:19:41,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:19:41,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:19:41,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:19:41,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:19:41,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:41" (3/4) ... [2022-11-23 02:19:41,946 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 02:19:42,016 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:19:42,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:19:42,019 INFO L158 Benchmark]: Toolchain (without parser) took 2743.44ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 56.1MB in the beginning and 51.6MB in the end (delta: 4.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,020 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 75.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:42,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.64ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 61.1MB in the end (delta: -5.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.28ms. Allocated memory is still 102.8MB. Free memory was 61.1MB in the beginning and 57.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,021 INFO L158 Benchmark]: Boogie Preprocessor took 34.23ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,028 INFO L158 Benchmark]: RCFGBuilder took 498.18ms. Allocated memory is still 102.8MB. Free memory was 55.8MB in the beginning and 71.9MB in the end (delta: -16.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,028 INFO L158 Benchmark]: TraceAbstraction took 749.93ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 54.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,029 INFO L158 Benchmark]: Witness Printer took 76.10ms. Allocated memory is still 102.8MB. Free memory was 54.4MB in the beginning and 51.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:42,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 75.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.64ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 61.1MB in the end (delta: -5.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.28ms. Allocated memory is still 102.8MB. Free memory was 61.1MB in the beginning and 57.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.23ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.18ms. Allocated memory is still 102.8MB. Free memory was 55.8MB in the beginning and 71.9MB in the end (delta: -16.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 749.93ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 54.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 76.10ms. Allocated memory is still 102.8MB. Free memory was 54.4MB in the beginning and 51.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1556]: 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] [L1563] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=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, unknown-#in~argc-unknown=12] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=32768, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825, unknown-#in~data-unknown=0] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [\result=-1073741825, 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, unknown-#in~data-unknown=0] [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [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] [L1556] data * 2 VAL [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: 1556]: 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: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 02:19:42,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f8b73d5-0093-4137-87f8-7957209bda78/bin/uautomizer-QkZJyEgLgS/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)