./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- 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 18:17:13,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:17:13,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:17:13,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:17:13,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:17:13,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:17:13,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:17:13,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:17:13,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:17:13,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:17:13,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:17:13,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:17:13,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:17:13,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:17:13,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:17:13,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:17:13,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:17:13,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:17:13,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:17:13,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:17:13,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:17:13,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:17:13,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:17:13,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:17:13,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:17:13,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:17:13,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:17:13,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:17:13,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:17:13,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:17:13,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:17:13,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:17:13,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:17:13,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:17:13,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:17:13,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:17:13,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:17:13,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:17:13,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:17:13,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:17:13,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:17:13,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:17:13,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:17:13,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:17:13,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:17:13,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:17:13,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:17:13,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:17:13,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:17:13,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:17:13,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:17:13,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:17:13,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:17:13,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:17:13,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:17:13,790 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:17:13,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:17:13,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:17:13,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:17:13,791 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:17:13,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:17:13,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:17:13,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:13,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:17:13,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:17:13,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:17:13,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:17:13,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:17:13,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:17:13,794 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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2022-11-20 18:17:14,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:17:14,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:17:14,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:17:14,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:17:14,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:17:14,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-20 18:17:17,229 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:17:17,668 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:17:17,668 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-20 18:17:17,693 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data/d64b2359a/1372f2d8a3c9464b8add6d251a5dc298/FLAGea6c65cd1 [2022-11-20 18:17:17,716 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data/d64b2359a/1372f2d8a3c9464b8add6d251a5dc298 [2022-11-20 18:17:17,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:17:17,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:17:17,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:17,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:17:17,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:17:17,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:17" (1/1) ... [2022-11-20 18:17:17,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38306bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:17, skipping insertion in model container [2022-11-20 18:17:17,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:17" (1/1) ... [2022-11-20 18:17:17,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:17:17,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:17:18,270 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:17:18,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:17:18,909 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:17:18,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:17:19,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:17:19,170 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:17:19,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19 WrapperNode [2022-11-20 18:17:19,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:19,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:17:19,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:17:19,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:17:19,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,236 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-20 18:17:19,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:17:19,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:17:19,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:17:19,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:17:19,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,263 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:17:19,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:17:19,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:17:19,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:17:19,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:19,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:17:19,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:17:19,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:17:19,369 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:17:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:17:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-20 18:17:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-20 18:17:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:17:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:17:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:17:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:17:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:17:19,587 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:17:19,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:17:19,826 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:17:19,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:17:19,963 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:17:19,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:19 BoogieIcfgContainer [2022-11-20 18:17:19,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:17:19,967 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:17:19,967 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:17:19,977 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:17:19,977 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:19" (1/1) ... [2022-11-20 18:17:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:17:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-20 18:17:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 18:17:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:17:20,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:17:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 21 transitions. [2022-11-20 18:17:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 18:17:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:17:20,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:20,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:17:20,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:17:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:17:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:17:21,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:17:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:17:21,146 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:17:21,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:17:21 ImpRootNode [2022-11-20 18:17:21,190 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:17:21,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:17:21,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:17:21,191 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:17:21,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:19" (3/4) ... [2022-11-20 18:17:21,195 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:17:21,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:17:21,196 INFO L158 Benchmark]: Toolchain (without parser) took 3472.30ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 106.4MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:21,196 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 109.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:21,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1443.15ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 78.8MB in the end (delta: 24.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-20 18:17:21,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.68ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 75.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:17:21,198 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 148.9MB. Free memory was 75.2MB in the beginning and 74.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:21,199 INFO L158 Benchmark]: RCFGBuilder took 697.55ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 106.1MB in the end (delta: -32.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-20 18:17:21,200 INFO L158 Benchmark]: CodeCheck took 1223.51ms. Allocated memory is still 148.9MB. Free memory was 106.1MB in the beginning and 106.4MB in the end (delta: -273.0kB). Peak memory consumption was 358.0kB. Max. memory is 16.1GB. [2022-11-20 18:17:21,200 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 148.9MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:21,203 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 21 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 93 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, 0.5s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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_11_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [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] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] [L1556] COND TRUE globalReturnsTrue() [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 0.53ms. Allocated memory is still 109.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1443.15ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 78.8MB in the end (delta: 24.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.68ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 75.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 148.9MB. Free memory was 75.2MB in the beginning and 74.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 697.55ms. Allocated memory is still 148.9MB. Free memory was 74.1MB in the beginning and 106.1MB in the end (delta: -32.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * CodeCheck took 1223.51ms. Allocated memory is still 148.9MB. Free memory was 106.1MB in the beginning and 106.4MB in the end (delta: -273.0kB). Peak memory consumption was 358.0kB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 148.9MB. Free memory is still 106.4MB. 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 18:17:21,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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 dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 --- 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 18:17:23,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:17:23,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:17:23,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:17:23,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:17:23,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:17:23,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:17:23,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:17:23,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:17:23,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:17:23,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:17:23,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:17:23,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:17:23,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:17:23,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:17:23,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:17:23,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:17:23,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:17:23,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:17:23,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:17:23,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:17:23,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:17:23,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:17:23,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:17:23,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:17:23,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:17:23,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:17:23,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:17:23,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:17:23,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:17:23,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:17:23,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:17:23,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:17:23,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:17:23,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:17:23,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:17:23,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:17:23,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:17:23,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:17:23,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:17:23,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:17:23,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 18:17:23,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:17:23,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:17:23,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:17:23,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:17:23,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:17:23,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:17:23,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:17:23,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:17:23,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:17:23,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:17:23,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:17:23,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:17:23,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:17:23,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:17:23,869 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:17:23,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:17:23,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:17:23,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:17:23,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:17:23,870 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:17:23,870 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:17:23,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:17:23,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:23,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:17:23,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:17:23,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:17:23,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:17:23,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:17:23,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:17:23,873 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:17:23,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:17:23,873 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_2a4339a1-3526-412b-b39d-7c4f99aed6ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe2ca349e0667d8692126dce502d970e06290e62c46f46043e6bad80040db74 [2022-11-20 18:17:24,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:17:24,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:17:24,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:17:24,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:17:24,308 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:17:24,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-20 18:17:27,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:17:27,898 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:17:27,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_11_bad.i [2022-11-20 18:17:27,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data/57bcf1677/c9fd0abd20c54b72b3e22a14e83f5263/FLAG333520964 [2022-11-20 18:17:27,944 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4339a1-3526-412b-b39d-7c4f99aed6ba/bin/ukojak-pZX7IvK2PQ/data/57bcf1677/c9fd0abd20c54b72b3e22a14e83f5263 [2022-11-20 18:17:27,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:17:27,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:17:27,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:27,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:17:27,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:17:27,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:27" (1/1) ... [2022-11-20 18:17:27,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5027bc0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:27, skipping insertion in model container [2022-11-20 18:17:27,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:27" (1/1) ... [2022-11-20 18:17:27,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:17:28,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:17:28,530 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:17:28,889 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 18:17:28,899 INFO L158 Benchmark]: Toolchain (without parser) took 945.26ms. Allocated memory is still 65.0MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 48.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:17:28,900 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:17:28,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.92ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 39.4MB in the end (delta: -107.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:17:28,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.92ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 39.4MB in the end (delta: -107.1kB). Peak memory consumption was 12.6MB. 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.