./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg --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 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d --- 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-b5237d8 [2022-11-21 23:41:17,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:41:17,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:41:17,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:41:17,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:41:17,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:41:17,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:41:17,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:41:17,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:41:17,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:41:17,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:41:17,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:41:17,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:41:17,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:41:17,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:41:17,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:41:17,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:41:17,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:41:17,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:41:17,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:41:17,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:41:17,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:41:17,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:41:17,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:41:17,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:41:17,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:41:17,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:41:17,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:41:17,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:41:17,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:41:17,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:41:17,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:41:17,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:41:17,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:41:17,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:41:17,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:41:17,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:41:17,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:41:17,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:41:17,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:41:17,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:41:17,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:41:18,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:41:18,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:41:18,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:41:18,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:41:18,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:41:18,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:41:18,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:41:18,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:41:18,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:41:18,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:41:18,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:41:18,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:41:18,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:41:18,031 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:41:18,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:41:18,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:41:18,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:41:18,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:41:18,033 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:41:18,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:41:18,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:18,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:41:18,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:41:18,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:41:18,034 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:41:18,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:41:18,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:41:18,035 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_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d [2022-11-21 23:41:18,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:41:18,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:41:18,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:41:18,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:41:18,384 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:41:18,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2022-11-21 23:41:21,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:41:21,803 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:41:21,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2022-11-21 23:41:21,826 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data/8ab435807/dadeca2e2652482a85d16e02c269b43c/FLAG4cd8efa82 [2022-11-21 23:41:21,853 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data/8ab435807/dadeca2e2652482a85d16e02c269b43c [2022-11-21 23:41:21,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:41:21,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:41:21,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:21,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:41:21,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:41:21,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a77e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21, skipping insertion in model container [2022-11-21 23:41:21,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:41:21,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:41:22,365 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:41:23,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:41:23,069 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:41:23,086 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:41:23,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:41:23,259 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:41:23,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23 WrapperNode [2022-11-21 23:41:23,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:23,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:41:23,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:41:23,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:41:23,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,351 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-11-21 23:41:23,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:41:23,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:41:23,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:41:23,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:41:23,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:41:23,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:41:23,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:41:23,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:41:23,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:23,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:23,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:41:23,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:41:23,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:41:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:41:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:41:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:41:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:41:23,665 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:41:23,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:41:23,897 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:41:23,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:41:23,990 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:41:23,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:23 BoogieIcfgContainer [2022-11-21 23:41:23,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:41:23,994 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:41:23,994 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:41:24,004 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:41:24,005 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:23" (1/1) ... [2022-11-21 23:41:24,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:41:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 23:41:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 23:41:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:41:24,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:24,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-21 23:41:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-21 23:41:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:41:24,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:24,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:41:24,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:41:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:41:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:41:24,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:41:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:41:24,862 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:41:24,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:41:24 ImpRootNode [2022-11-21 23:41:24,922 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:41:24,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:41:24,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:41:24,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:41:24,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:23" (3/4) ... [2022-11-21 23:41:24,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:41:24,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:41:24,939 INFO L158 Benchmark]: Toolchain (without parser) took 3079.86ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 90.8MB in the end (delta: 46.0MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-11-21 23:41:24,939 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 91.2MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:24,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.49ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 92.5MB in the end (delta: 43.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 23:41:24,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.10ms. Allocated memory is still 169.9MB. Free memory was 92.5MB in the beginning and 89.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:41:24,942 INFO L158 Benchmark]: Boogie Preprocessor took 72.38ms. Allocated memory is still 169.9MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 795.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:24,944 INFO L158 Benchmark]: RCFGBuilder took 566.29ms. Allocated memory is still 169.9MB. Free memory was 87.8MB in the beginning and 135.9MB in the end (delta: -48.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-11-21 23:41:24,945 INFO L158 Benchmark]: CodeCheck took 928.62ms. Allocated memory is still 169.9MB. Free memory was 135.9MB in the beginning and 90.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-21 23:41:24,945 INFO L158 Benchmark]: Witness Printer took 15.45ms. Allocated memory is still 169.9MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:24,948 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1560, overapproximation of bitwiseAnd at line 1560. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_41_bad() [L1558] int data; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL badSink(data) [L1551] --data VAL [\old(data)=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 91.2MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.49ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 92.5MB in the end (delta: 43.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.10ms. Allocated memory is still 169.9MB. Free memory was 92.5MB in the beginning and 89.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.38ms. Allocated memory is still 169.9MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 795.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.29ms. Allocated memory is still 169.9MB. Free memory was 87.8MB in the beginning and 135.9MB in the end (delta: -48.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * CodeCheck took 928.62ms. Allocated memory is still 169.9MB. Free memory was 135.9MB in the beginning and 90.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 15.45ms. Allocated memory is still 169.9MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:41:24,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg --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 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d --- 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-b5237d8 [2022-11-21 23:41:27,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:41:27,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:41:27,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:41:27,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:41:27,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:41:27,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:41:27,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:41:27,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:41:27,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:41:27,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:41:27,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:41:27,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:41:27,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:41:27,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:41:27,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:41:27,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:41:27,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:41:27,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:41:27,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:41:27,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:41:27,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:41:27,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:41:27,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:41:27,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:41:27,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:41:27,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:41:27,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:41:27,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:41:27,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:41:27,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:41:27,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:41:27,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:41:27,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:41:27,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:41:27,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:41:27,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:41:27,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:41:27,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:41:27,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:41:27,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:41:27,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:41:27,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:41:27,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:41:27,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:41:27,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:41:27,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:41:27,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:41:27,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:41:27,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:41:27,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:41:27,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:41:27,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:41:27,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:41:27,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:41:27,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:41:27,695 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:41:27,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:41:27,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:41:27,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:41:27,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:41:27,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:41:27,696 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:41:27,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:41:27,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:27,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:41:27,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:41:27,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:41:27,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:41:27,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:41:27,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:41:27,700 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:41:27,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:41:27,701 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_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68930d750a85cd6de42e1e9f2c43ae52b5b206e831fe8a4256a1d6e3e98fef9d [2022-11-21 23:41:28,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:41:28,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:41:28,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:41:28,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:41:28,185 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:41:28,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2022-11-21 23:41:31,345 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:41:31,702 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:41:31,703 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_41_bad.i [2022-11-21 23:41:31,733 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data/6de1d8edb/1d7babda8a674b7ea6c2f19650205ddb/FLAG4514bf61a [2022-11-21 23:41:31,750 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9de0485-ea59-4bf3-a445-e09a3efac75e/bin/ukojak-jW3SillKbg/data/6de1d8edb/1d7babda8a674b7ea6c2f19650205ddb [2022-11-21 23:41:31,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:41:31,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:41:31,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:31,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:41:31,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:41:31,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:31" (1/1) ... [2022-11-21 23:41:31,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d070340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:31, skipping insertion in model container [2022-11-21 23:41:31,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:31" (1/1) ... [2022-11-21 23:41:31,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:41:31,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:41:32,214 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:41:32,427 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) [2022-11-21 23:41:32,435 INFO L158 Benchmark]: Toolchain (without parser) took 676.42ms. Allocated memory is still 62.9MB. Free memory was 27.4MB in the beginning and 29.0MB in the end (delta: -1.6MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-11-21 23:41:32,435 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:41:32,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.80ms. Allocated memory is still 62.9MB. Free memory was 27.2MB in the beginning and 29.0MB in the end (delta: -1.8MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-11-21 23:41:32,438 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 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.80ms. Allocated memory is still 62.9MB. Free memory was 27.2MB in the beginning and 29.0MB in the end (delta: -1.8MB). Peak memory consumption was 4.1MB. 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.