./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_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_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/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_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/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_8a7b22d4-706f-40da-aa62-4dc2575b2adf/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 14dd8ab1cf5b97ed5e87eda4eea69b19aecfab809e7a318ed1376a02b04f9bbe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 21:47:27,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:47:27,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:47:27,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:47:27,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:47:27,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:47:27,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:47:27,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:47:27,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:47:27,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:47:27,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:47:27,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:47:27,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:47:27,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:47:27,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:47:27,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:47:27,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:47:27,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:47:27,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:47:27,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:47:27,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:47:27,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:47:27,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:47:27,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:47:27,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:47:27,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:47:27,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:47:27,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:47:27,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:47:27,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:47:27,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:47:27,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:47:27,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:47:27,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:47:27,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:47:27,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:47:27,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:47:27,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:47:27,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:47:27,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:47:27,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:47:27,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:47:27,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:47:27,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:47:27,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:47:27,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:47:27,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:47:27,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:47:27,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:47:27,655 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:47:27,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:47:27,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:47:27,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:47:27,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:47:27,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:47:27,657 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:47:27,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:47:27,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:47:27,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:47:27,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:47:27,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:47:27,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:47:27,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:27,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:47:27,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:47:27,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:47:27,658 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:47:27,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:47:27,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:47:27,659 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_8a7b22d4-706f-40da-aa62-4dc2575b2adf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14dd8ab1cf5b97ed5e87eda4eea69b19aecfab809e7a318ed1376a02b04f9bbe [2022-11-21 21:47:27,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:47:27,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:47:27,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:47:27,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:47:27,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:47:27,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i [2022-11-21 21:47:31,012 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:47:31,348 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:47:31,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_45_bad.i [2022-11-21 21:47:31,384 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/data/42669b0ac/5e0a090da10a4d7db0e9f2b3bc477732/FLAGd8e9881b6 [2022-11-21 21:47:31,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/data/42669b0ac/5e0a090da10a4d7db0e9f2b3bc477732 [2022-11-21 21:47:31,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:47:31,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:47:31,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:31,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:47:31,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:47:31,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:31" (1/1) ... [2022-11-21 21:47:31,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b502c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:31, skipping insertion in model container [2022-11-21 21:47:31,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:31" (1/1) ... [2022-11-21 21:47:31,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:47:31,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:47:31,963 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:32,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:32,466 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:47:32,496 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:32,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:32,692 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:47:32,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32 WrapperNode [2022-11-21 21:47:32,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:32,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:32,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:47:32,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:47:32,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,758 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 42 [2022-11-21 21:47:32,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:32,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:47:32,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:47:32,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:47:32,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:47:32,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:47:32,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:47:32,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:47:32,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:32" (1/1) ... [2022-11-21 21:47:32,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:32,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:47:32,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:47:32,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:47:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:47:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:47:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:47:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:47:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:47:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:47:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:47:33,051 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:47:33,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:47:33,213 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:47:33,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:47:33,278 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:47:33,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:33 BoogieIcfgContainer [2022-11-21 21:47:33,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:47:33,281 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:47:33,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:47:33,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:47:33,293 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:33" (1/1) ... [2022-11-21 21:47:33,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:47:33,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 21:47:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 21:47:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 21:47:33,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:33,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-21 21:47:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-21 21:47:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:47:33,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:33,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:47:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:33,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:47:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:33,782 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 21:47:33,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:47:33 ImpRootNode [2022-11-21 21:47:33,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:47:33,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:47:33,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:47:33,826 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:47:33,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:33" (3/4) ... [2022-11-21 21:47:33,828 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 21:47:33,868 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:47:33,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:47:33,869 INFO L158 Benchmark]: Toolchain (without parser) took 2460.11ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 82.6MB in the end (delta: 11.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-21 21:47:33,870 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 104.9MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:33,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1280.96ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 53.7MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-21 21:47:33,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.46ms. Allocated memory is still 138.4MB. Free memory was 53.7MB in the beginning and 50.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:47:33,871 INFO L158 Benchmark]: Boogie Preprocessor took 53.64ms. Allocated memory is still 138.4MB. Free memory was 50.7MB in the beginning and 49.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:33,872 INFO L158 Benchmark]: RCFGBuilder took 467.17ms. Allocated memory is still 138.4MB. Free memory was 49.5MB in the beginning and 108.9MB in the end (delta: -59.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-21 21:47:33,873 INFO L158 Benchmark]: CodeCheck took 543.41ms. Allocated memory is still 138.4MB. Free memory was 108.9MB in the beginning and 84.7MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 21:47:33,873 INFO L158 Benchmark]: Witness Printer took 43.36ms. Allocated memory is still 138.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:47:33,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 - CounterExampleResult [Line: 1555]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_min_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_min_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_min_sub_45_goodB2GData; [L1570] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=0, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, 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}, CWE191_Integer_Underflow__int_min_sub_45_badData=0, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, 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_min_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] data = (-0x7fffffff - 1) [L1564] CWE191_Integer_Underflow__int_min_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_min_sub_45_badData; VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, 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] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_min_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_min_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_min_sub_45_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 104.9MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1280.96ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 53.7MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.46ms. Allocated memory is still 138.4MB. Free memory was 53.7MB in the beginning and 50.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.64ms. Allocated memory is still 138.4MB. Free memory was 50.7MB in the beginning and 49.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.17ms. Allocated memory is still 138.4MB. Free memory was 49.5MB in the beginning and 108.9MB in the end (delta: -59.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * CodeCheck took 543.41ms. Allocated memory is still 138.4MB. Free memory was 108.9MB in the beginning and 84.7MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 43.36ms. Allocated memory is still 138.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 21:47:33,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7b22d4-706f-40da-aa62-4dc2575b2adf/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)