./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_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_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/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_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/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_caef3b9e-6982-4dce-a016-39dae16a6162/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 d61e3cf9ad4260e68703520cdd290e99b8cffda3b25a739c2f7a4c8442835a2f --- 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 18:04:46,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:04:46,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:04:46,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:04:46,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:04:46,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:04:46,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:04:46,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:04:46,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:04:46,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:04:46,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:04:46,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:04:46,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:04:46,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:04:46,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:04:46,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:04:46,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:04:46,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:04:46,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:04:46,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:04:46,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:04:46,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:04:46,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:04:46,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:04:46,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:04:46,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:04:46,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:04:46,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:04:46,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:04:46,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:04:46,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:04:46,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:04:46,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:04:46,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:04:46,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:04:46,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:04:46,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:04:46,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:04:46,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:04:46,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:04:46,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:04:46,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:04:46,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:04:46,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:04:46,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:04:46,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:04:46,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:04:46,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:04:46,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:04:46,960 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:04:46,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:04:46,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:04:46,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:04:46,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:04:46,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:04:46,963 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:04:46,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:04:46,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:04:46,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:04:46,964 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:04:46,964 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:04:46,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:04:46,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:46,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:04:46,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:04:46,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:04:46,966 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:04:46,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:04:46,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:04:46,967 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_caef3b9e-6982-4dce-a016-39dae16a6162/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e3cf9ad4260e68703520cdd290e99b8cffda3b25a739c2f7a4c8442835a2f [2022-11-20 18:04:47,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:04:47,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:04:47,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:04:47,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:04:47,393 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:04:47,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i [2022-11-20 18:04:51,006 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:04:51,469 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:04:51,470 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_15_bad.i [2022-11-20 18:04:51,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/data/25d7915c0/f3c2b0f4fa434218a4dccdb77b706f10/FLAGb082a44ea [2022-11-20 18:04:51,519 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/data/25d7915c0/f3c2b0f4fa434218a4dccdb77b706f10 [2022-11-20 18:04:51,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:04:51,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:04:51,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:51,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:04:51,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:04:51,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:51" (1/1) ... [2022-11-20 18:04:51,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1385bd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:51, skipping insertion in model container [2022-11-20 18:04:51,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:51" (1/1) ... [2022-11-20 18:04:51,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:04:51,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:04:52,135 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:04:52,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:52,976 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:04:53,013 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:04:53,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:53,257 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:04:53,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53 WrapperNode [2022-11-20 18:04:53,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:53,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:53,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:04:53,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:04:53,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,362 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-20 18:04:53,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:53,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:04:53,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:04:53,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:04:53,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,416 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:04:53,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:04:53,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:04:53,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:04:53,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:53" (1/1) ... [2022-11-20 18:04:53,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:04:53,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:04:53,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:04:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:04:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:04:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:04:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:04:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:04:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:04:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:04:53,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:04:53,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:04:54,027 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:04:54,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:04:54,108 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:04:54,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:54 BoogieIcfgContainer [2022-11-20 18:04:54,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:04:54,113 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:04:54,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:04:54,128 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:04:54,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:54" (1/1) ... [2022-11-20 18:04:54,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:04:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-20 18:04:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-20 18:04:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:04:54,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:54,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-11-20 18:04:54,874 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-11-20 18:04:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:04:54,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:54,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 20 transitions. [2022-11-20 18:04:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 18:04:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:04:55,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:55,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:04:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:55,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:04:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:04:55,244 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 18:04:55,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:04:55 ImpRootNode [2022-11-20 18:04:55,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:04:55,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:04:55,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:04:55,318 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:04:55,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:54" (3/4) ... [2022-11-20 18:04:55,322 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:04:55,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:04:55,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:04:55,418 INFO L158 Benchmark]: Toolchain (without parser) took 3894.41ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 86.2MB in the end (delta: 16.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-20 18:04:55,422 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:55,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1733.58ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 64.6MB in the end (delta: 38.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 18:04:55,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.34ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 61.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:04:55,424 INFO L158 Benchmark]: Boogie Preprocessor took 63.96ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 60.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:04:55,426 INFO L158 Benchmark]: RCFGBuilder took 683.51ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 46.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:04:55,426 INFO L158 Benchmark]: CodeCheck took 1203.75ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 88.2MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:55,428 INFO L158 Benchmark]: Witness Printer took 99.30ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 86.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:04:55,430 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 31 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1565]: 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_min_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] data = (-0x7fffffff - 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] [L1563] case 7: [L1565] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1733.58ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 64.6MB in the end (delta: 38.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.34ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 61.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.96ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 60.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.51ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 46.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1203.75ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 88.2MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.30ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 86.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:04:55,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caef3b9e-6982-4dce-a016-39dae16a6162/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)