./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d --- 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-6b4ec56 [2022-11-20 17:09:42,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:42,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:42,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:42,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:42,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:42,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:42,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:42,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:42,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:42,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:42,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:42,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:42,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:42,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:42,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:42,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:42,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:42,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:42,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:42,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:42,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:42,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:42,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:42,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:42,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:42,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:42,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:42,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:42,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:42,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:42,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:42,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:42,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:42,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:42,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:42,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:42,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:42,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:42,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:42,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:42,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:09:42,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:42,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:42,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:42,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:42,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:42,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:42,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:42,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:42,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:09:42,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:42,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:42,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:42,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:42,609 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:42,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:42,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:42,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:42,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:42,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:42,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:42,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:42,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:42,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:42,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:42,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:09:42,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:09:42,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:42,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d [2022-11-20 17:09:42,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:42,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:42,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:42,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:42,927 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:42,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2022-11-20 17:09:46,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:46,384 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:46,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2022-11-20 17:09:46,413 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data/17d86542f/0debab5b8edd45a6a7b18665e2985753/FLAGa9414b2ba [2022-11-20 17:09:46,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data/17d86542f/0debab5b8edd45a6a7b18665e2985753 [2022-11-20 17:09:46,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:46,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:46,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:46,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:46,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:46,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:46" (1/1) ... [2022-11-20 17:09:46,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aca26e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:46, skipping insertion in model container [2022-11-20 17:09:46,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:46" (1/1) ... [2022-11-20 17:09:46,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:46,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:46,903 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:09:47,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:47,487 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:47,523 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:09:47,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:47,824 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:47,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47 WrapperNode [2022-11-20 17:09:47,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:47,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:47,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:47,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:47,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,929 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-20 17:09:47,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:47,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:47,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:47,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:47,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:47,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:47,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:47,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:47,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:47" (1/1) ... [2022-11-20 17:09:47,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:47,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:48,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:48,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:09:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:09:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:09:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:09:48,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:09:48,250 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:48,255 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:48,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:09:48,658 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:09:48,658 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:09:48,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:48 BoogieIcfgContainer [2022-11-20 17:09:48,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:09:48,662 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:09:48,662 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:09:48,681 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:09:48,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:48" (1/1) ... [2022-11-20 17:09:48,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:09:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:09:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:09:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:09:48,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:48,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:09:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:09:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:09:49,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:09:49,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:09:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:09:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:09:49,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:09:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:09:49,739 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:09:49,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:09:49 ImpRootNode [2022-11-20 17:09:49,773 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:09:49,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:09:49,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:09:49,774 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:09:49,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:48" (3/4) ... [2022-11-20 17:09:49,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:09:49,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:09:49,779 INFO L158 Benchmark]: Toolchain (without parser) took 3341.22ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 108.0MB in the beginning and 111.9MB in the end (delta: -4.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:49,779 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 151.0MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:49,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1385.19ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 107.7MB in the beginning and 126.7MB in the end (delta: -19.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:49,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.26ms. Allocated memory is still 188.7MB. Free memory was 126.7MB in the beginning and 123.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:49,781 INFO L158 Benchmark]: Boogie Preprocessor took 27.06ms. Allocated memory is still 188.7MB. Free memory was 123.3MB in the beginning and 121.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:49,782 INFO L158 Benchmark]: RCFGBuilder took 703.32ms. Allocated memory is still 188.7MB. Free memory was 121.6MB in the beginning and 100.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:09:49,782 INFO L158 Benchmark]: CodeCheck took 1111.14ms. Allocated memory is still 188.7MB. Free memory was 100.7MB in the beginning and 111.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:49,782 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 188.7MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:49,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] [L1559] --data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 151.0MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1385.19ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 107.7MB in the beginning and 126.7MB in the end (delta: -19.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.26ms. Allocated memory is still 188.7MB. Free memory was 126.7MB in the beginning and 123.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.06ms. Allocated memory is still 188.7MB. Free memory was 123.3MB in the beginning and 121.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 703.32ms. Allocated memory is still 188.7MB. Free memory was 121.6MB in the beginning and 100.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1111.14ms. Allocated memory is still 188.7MB. Free memory was 100.7MB in the beginning and 111.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 188.7MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:09:49,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d --- 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-6b4ec56 [2022-11-20 17:09:52,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:52,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:52,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:52,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:52,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:52,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:52,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:52,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:52,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:52,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:52,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:52,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:52,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:52,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:52,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:52,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:52,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:52,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:52,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:52,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:52,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:52,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:52,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:52,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:52,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:52,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:52,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:52,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:52,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:52,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:52,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:52,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:52,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:52,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:52,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:52,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:52,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:52,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:52,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:52,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:52,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:09:52,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:52,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:52,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:52,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:52,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:52,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:52,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:52,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:52,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:52,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:52,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:52,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:52,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:09:52,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:09:52,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:52,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:09:52,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:52,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:52,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:52,427 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:52,428 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:52,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:52,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:52,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:52,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:52,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:52,430 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:09:52,430 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:09:52,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:52,430 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:09:52,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:09:52,431 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d [2022-11-20 17:09:52,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:52,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:52,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:52,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:52,843 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:52,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2022-11-20 17:09:56,179 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:56,606 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:56,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2022-11-20 17:09:56,643 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data/470efbb0d/d12a59928b3d468787a21bea0f581202/FLAG6528cf49b [2022-11-20 17:09:56,684 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ba7349-136b-4255-b71a-2eb9ecee2ad6/bin/ukojak-pZX7IvK2PQ/data/470efbb0d/d12a59928b3d468787a21bea0f581202 [2022-11-20 17:09:56,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:56,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:56,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:56,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:56,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:56,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:56" (1/1) ... [2022-11-20 17:09:56,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1337ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:56, skipping insertion in model container [2022-11-20 17:09:56,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:56" (1/1) ... [2022-11-20 17:09:56,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:56,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:57,215 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:09:57,426 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:09:57,436 INFO L158 Benchmark]: Toolchain (without parser) took 743.62ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 47.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:57,436 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:57,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.99ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 47.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:09:57,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.99ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 47.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.