./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_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_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/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_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/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_dfe5992c-732e-4134-bb41-d0cc5350b542/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 dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e --- 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 [2022-11-22 00:02:40,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:02:40,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:02:40,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:02:40,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:02:40,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:02:40,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:02:40,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:02:40,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:02:40,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:02:40,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:02:40,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:02:40,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:02:40,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:02:40,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:02:40,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:02:40,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:02:40,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:02:40,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:02:40,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:02:40,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:02:40,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:02:40,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:02:40,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:02:40,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:02:40,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:02:40,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:02:40,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:02:40,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:02:40,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:02:40,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:02:40,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:02:40,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:02:40,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:02:40,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:02:40,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:02:40,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:02:40,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:02:40,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:02:40,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:02:40,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:02:40,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-22 00:02:40,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:02:40,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:02:40,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:02:40,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:02:40,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:02:40,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:02:40,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:02:40,787 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:02:40,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:02:40,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:02:40,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:02:40,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:02:40,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:02:40,789 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:02:40,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:02:40,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:02:40,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:02:40,790 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:02:40,791 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:02:40,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:02:40,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:40,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:02:40,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:02:40,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:02:40,793 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-22 00:02:40,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:02:40,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:02:40,794 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_dfe5992c-732e-4134-bb41-d0cc5350b542/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e [2022-11-22 00:02:41,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:02:41,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:02:41,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:02:41,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:02:41,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:02:41,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2022-11-22 00:02:44,244 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:02:44,627 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:02:44,631 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2022-11-22 00:02:44,674 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data/528ad52dc/137114d8db324a2cb634c5bcf98f8cb6/FLAGdc837a3ab [2022-11-22 00:02:44,694 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data/528ad52dc/137114d8db324a2cb634c5bcf98f8cb6 [2022-11-22 00:02:44,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:02:44,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:02:44,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:44,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:02:44,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:02:44,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:44" (1/1) ... [2022-11-22 00:02:44,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ff2fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:44, skipping insertion in model container [2022-11-22 00:02:44,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:44" (1/1) ... [2022-11-22 00:02:44,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:02:44,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:02:45,243 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:02:45,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:02:45,964 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:02:45,985 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:02:46,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:02:46,207 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:02:46,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46 WrapperNode [2022-11-22 00:02:46,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:46,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:02:46,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:02:46,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:02:46,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,314 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-22 00:02:46,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:02:46,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:02:46,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:02:46,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:02:46,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:02:46,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:02:46,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:02:46,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:02:46,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:46,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:02:46,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:02:46,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:02:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:02:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:02:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:02:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:02:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:02:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:02:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:02:46,725 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:02:46,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:02:46,899 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:02:46,991 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:02:46,991 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 00:02:46,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:46 BoogieIcfgContainer [2022-11-22 00:02:46,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:02:46,995 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:02:46,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:02:47,006 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:02:47,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:46" (1/1) ... [2022-11-22 00:02:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:02:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:02:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-22 00:02:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-22 00:02:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 00:02:47,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:02:47,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:02:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:02:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:02:47,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:02:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-22 00:02:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-22 00:02:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:02:47,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:02:47,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:02:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:02:47,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:02:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:02:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:02:47,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:02:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:02:47,748 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-22 00:02:47,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 12:02:47 ImpRootNode [2022-11-22 00:02:47,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-22 00:02:47,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:02:47,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:02:47,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:02:47,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:02:46" (3/4) ... [2022-11-22 00:02:47,804 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 00:02:47,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:02:47,805 INFO L158 Benchmark]: Toolchain (without parser) took 3105.92ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 77.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-22 00:02:47,805 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:02:47,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1507.82ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 68.3MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-22 00:02:47,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.67ms. Allocated memory is still 159.4MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:02:47,810 INFO L158 Benchmark]: Boogie Preprocessor took 63.70ms. Allocated memory is still 159.4MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:02:47,811 INFO L158 Benchmark]: RCFGBuilder took 613.50ms. Allocated memory is still 159.4MB. Free memory was 63.6MB in the beginning and 111.4MB in the end (delta: -47.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-22 00:02:47,812 INFO L158 Benchmark]: CodeCheck took 803.90ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 78.7MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-22 00:02:47,817 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 159.4MB. Free memory was 78.7MB in the beginning and 77.9MB in the end (delta: 843.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:02:47,824 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 47 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 1561]: 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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)) [L1557] COND TRUE 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] [L1559] COND TRUE data < 0 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] [L1561] data * 2 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 0.37ms. Allocated memory is still 115.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1507.82ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 68.3MB in the end (delta: 61.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.67ms. Allocated memory is still 159.4MB. Free memory was 68.3MB in the beginning and 65.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.70ms. Allocated memory is still 159.4MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.50ms. Allocated memory is still 159.4MB. Free memory was 63.6MB in the beginning and 111.4MB in the end (delta: -47.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 803.90ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 78.7MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 159.4MB. Free memory was 78.7MB in the beginning and 77.9MB in the end (delta: 843.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 00:02:47,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/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_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/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_dfe5992c-732e-4134-bb41-d0cc5350b542/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 dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e --- 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 [2022-11-22 00:02:50,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:02:50,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:02:50,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:02:50,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:02:50,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:02:50,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:02:50,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:02:50,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:02:50,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:02:50,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:02:50,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:02:50,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:02:50,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:02:50,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:02:50,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:02:50,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:02:50,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:02:50,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:02:50,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:02:50,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:02:50,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:02:50,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:02:50,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:02:50,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:02:50,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:02:50,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:02:50,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:02:50,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:02:50,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:02:50,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:02:50,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:02:50,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:02:50,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:02:50,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:02:50,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:02:50,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:02:50,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:02:50,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:02:50,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:02:50,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:02:50,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-22 00:02:50,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:02:50,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:02:50,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:02:50,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:02:50,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:02:50,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:02:50,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:02:50,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:02:50,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:02:50,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:02:50,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:02:50,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:02:50,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:02:50,508 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:02:50,508 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:02:50,508 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:02:50,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:02:50,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:02:50,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:02:50,509 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:02:50,509 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:02:50,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:02:50,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:50,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:02:50,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:02:50,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:02:50,510 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:02:50,510 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:02:50,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:02:50,510 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-22 00:02:50,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:02:50,514 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_dfe5992c-732e-4134-bb41-d0cc5350b542/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e [2022-11-22 00:02:50,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:02:50,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:02:50,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:02:50,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:02:50,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:02:50,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2022-11-22 00:02:54,074 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:02:54,513 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:02:54,513 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2022-11-22 00:02:54,551 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data/2226bf28b/af9deaad3ee941e690b11fae5ca4550f/FLAG8c07ed374 [2022-11-22 00:02:54,570 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe5992c-732e-4134-bb41-d0cc5350b542/bin/ukojak-jW3SillKbg/data/2226bf28b/af9deaad3ee941e690b11fae5ca4550f [2022-11-22 00:02:54,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:02:54,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:02:54,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:54,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:02:54,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:02:54,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:54" (1/1) ... [2022-11-22 00:02:54,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51376c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:54, skipping insertion in model container [2022-11-22 00:02:54,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:54" (1/1) ... [2022-11-22 00:02:54,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:02:54,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:02:55,038 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:02:55,321 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) [2022-11-22 00:02:55,339 INFO L158 Benchmark]: Toolchain (without parser) took 761.66ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 56.8MB in the end (delta: -2.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-22 00:02:55,340 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 65.0MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:02:55,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.78ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 56.8MB in the end (delta: -3.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-22 00:02:55,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 65.0MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.78ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 56.8MB in the end (delta: -3.1MB). Peak memory consumption was 17.3MB. 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.