./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/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_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/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 32bit --witnessprinter.graph.data.programhash bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- 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 16:53:56,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:53:56,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:53:56,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:53:56,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:53:56,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:53:56,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:53:56,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:53:56,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:53:56,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:53:56,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:53:56,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:53:56,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:53:56,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:53:56,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:53:56,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:53:56,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:53:56,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:53:56,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:53:56,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:53:56,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:53:56,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:53:56,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:53:56,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:53:56,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:53:56,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:53:56,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:53:56,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:53:56,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:53:56,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:53:56,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:53:56,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:53:56,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:53:56,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:53:56,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:53:56,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:53:56,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:53:56,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:53:56,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:53:56,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:53:56,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:53:56,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:53:56,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:53:56,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:53:56,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:53:56,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:53:56,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:53:56,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:53:56,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:53:56,584 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:53:56,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:53:56,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:53:56,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:53:56,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:53:56,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:53:56,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:53:56,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:53:56,587 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:53:56,587 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:53:56,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:53:56,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:53:56,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:53:56,588 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:53:56,588 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:53:56,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:53:56,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:53:56,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:53:56,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:53:56,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:53:56,589 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:53:56,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:53:56,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:53:56,591 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_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2022-11-20 16:53:56,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:53:56,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:53:56,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:53:56,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:53:56,920 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:53:56,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2022-11-20 16:53:59,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:00,243 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:00,244 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2022-11-20 16:54:00,259 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/data/4a461a986/53cf289210b2412eaef49db921acff4d/FLAG567fbeb13 [2022-11-20 16:54:00,278 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/data/4a461a986/53cf289210b2412eaef49db921acff4d [2022-11-20 16:54:00,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:00,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:00,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:00,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:00,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:00,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2614559e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00, skipping insertion in model container [2022-11-20 16:54:00,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:00,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:00,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2022-11-20 16:54:00,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:00,613 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:00,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2022-11-20 16:54:00,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:00,721 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:00,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00 WrapperNode [2022-11-20 16:54:00,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:00,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:00,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:00,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:00,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,798 INFO L138 Inliner]: procedures = 29, calls = 43, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 682 [2022-11-20 16:54:00,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:00,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:00,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:00,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:00,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:00,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:00,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:00,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:00,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:00" (1/1) ... [2022-11-20 16:54:00,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:00,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:00,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:00,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2022-11-20 16:54:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2022-11-20 16:54:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-11-20 16:54:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-11-20 16:54:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2022-11-20 16:54:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2022-11-20 16:54:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-11-20 16:54:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-11-20 16:54:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-11-20 16:54:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-11-20 16:54:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-11-20 16:54:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-11-20 16:54:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2022-11-20 16:54:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2022-11-20 16:54:01,182 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:01,185 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:01,383 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 16:54:01,394 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 16:54:01,400 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 16:54:01,407 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 16:54:01,412 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 16:54:02,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !false; [2022-11-20 16:54:02,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume false; [2022-11-20 16:54:02,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2022-11-20 16:54:02,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2022-11-20 16:54:02,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2022-11-20 16:54:02,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2022-11-20 16:54:02,055 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-11-20 16:54:02,055 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-11-20 16:54:02,055 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2022-11-20 16:54:02,055 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2022-11-20 16:54:02,081 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 16:54:02,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-11-20 16:54:02,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-11-20 16:54:02,135 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:02,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:02,325 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:54:02,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:02 BoogieIcfgContainer [2022-11-20 16:54:02,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:54:02,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:54:02,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:54:02,343 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:54:02,343 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:02" (1/1) ... [2022-11-20 16:54:02,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:54:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:02,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 182 states and 261 transitions. [2022-11-20 16:54:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 261 transitions. [2022-11-20 16:54:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:54:02,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:02,663 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 16:54:02,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 181 states and 260 transitions. [2022-11-20 16:54:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 260 transitions. [2022-11-20 16:54:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:54:02,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:54:02,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:54:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:54:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:54:02,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:54:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:54:02,964 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:54:03,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:54:03 ImpRootNode [2022-11-20 16:54:03,029 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:54:03,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:54:03,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:54:03,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:54:03,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:02" (3/4) ... [2022-11-20 16:54:03,033 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:54:03,106 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:54:03,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:54:03,107 INFO L158 Benchmark]: Toolchain (without parser) took 2822.57ms. Allocated memory is still 153.1MB. Free memory was 108.4MB in the beginning and 102.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,108 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:03,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.99ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 89.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.69ms. Allocated memory is still 153.1MB. Free memory was 89.2MB in the beginning and 85.3MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,109 INFO L158 Benchmark]: Boogie Preprocessor took 74.78ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 82.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,122 INFO L158 Benchmark]: RCFGBuilder took 1449.31ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 67.1MB in the end (delta: 15.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,123 INFO L158 Benchmark]: CodeCheck took 697.55ms. Allocated memory is still 153.1MB. Free memory was 67.1MB in the beginning and 106.2MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:03,123 INFO L158 Benchmark]: Witness Printer took 76.69ms. Allocated memory is still 153.1MB. Free memory was 106.2MB in the beginning and 102.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:54:03,125 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 8 procedures, 182 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 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, 0.1s 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 - CounterExampleResult [Line: 175]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; [L296] int status ; [L297] int irp = __VERIFIER_nondet_int() ; [L298] int pirp ; [L299] int pirp__IoStatus__Status ; [L300] int irp_choice = __VERIFIER_nondet_int() ; [L301] int devobj = __VERIFIER_nondet_int() ; [L302] int __cil_tmp8 ; [L304] KernelMode = 0 [L305] Executive = 0 [L306] DevicePowerState = 1 [L307] s = 0 [L308] UNLOADED = 0 [L309] NP = 0 [L310] DC = 0 [L311] SKIP1 = 0 [L312] SKIP2 = 0 [L313] MPR1 = 0 [L314] MPR3 = 0 [L315] IPC = 0 [L316] pended = 0 [L317] compFptr = 0 [L318] compRegistered = 0 [L319] lowerDriverReturn = 0 [L320] setEventCalled = 0 [L321] customIrp = 0 [L322] myStatus = 0 [L326] status = 0 [L327] pirp = irp [L328] CALL _BLAST_init() [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 [L328] RET _BLAST_init() [L330] COND TRUE status >= 0 [L331] s = NP [L332] customIrp = 0 [L333] setEventCalled = customIrp [L334] lowerDriverReturn = setEventCalled [L335] compRegistered = lowerDriverReturn [L336] pended = compRegistered [L337] pirp__IoStatus__Status = 0 [L338] myStatus = 0 [L339] COND TRUE irp_choice == 0 [L340] pirp__IoStatus__Status = -1073741637 [L341] myStatus = -1073741637 [L344] CALL stub_driver_init() [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 [L344] RET stub_driver_init() [L347] COND FALSE !(status < 0) [L351] int tmp_ndt_1; [L352] tmp_ndt_1 = __VERIFIER_nondet_int() [L353] COND FALSE !(tmp_ndt_1 == 0) [L356] int tmp_ndt_2; [L357] tmp_ndt_2 = __VERIFIER_nondet_int() [L358] COND FALSE !(tmp_ndt_2 == 1) [L361] int tmp_ndt_3; [L362] tmp_ndt_3 = __VERIFIER_nondet_int() [L363] COND TRUE tmp_ndt_3 == 3 [L390] CALL KbFilter_PnP(devobj, pirp) [L82] int devExt ; [L83] int irpStack ; [L84] int status ; [L85] int event = __VERIFIER_nondet_int() ; [L86] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L87] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L88] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L89] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L90] int devExt__Started ; [L91] int devExt__Removed ; [L92] int devExt__SurpriseRemoved ; [L93] int Irp__IoStatus__Status ; [L94] int Irp__IoStatus__Information ; [L95] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L96] int irpSp ; [L97] int nextIrpSp ; [L98] int nextIrpSp__Control ; [L99] int irpSp___0 ; [L100] int irpSp__Context ; [L101] int irpSp__Control ; [L102] long __cil_tmp23 ; [L105] status = 0 [L106] devExt = DeviceObject__DeviceExtension [L107] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L108] COND TRUE irpStack__MinorFunction == 0 [L174] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L175] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.99ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 89.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.69ms. Allocated memory is still 153.1MB. Free memory was 89.2MB in the beginning and 85.3MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.78ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 82.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1449.31ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 67.1MB in the end (delta: 15.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 697.55ms. Allocated memory is still 153.1MB. Free memory was 67.1MB in the beginning and 106.2MB in the end (delta: -39.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.69ms. Allocated memory is still 153.1MB. Free memory was 106.2MB in the beginning and 102.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:54:03,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4e14d8-d7a2-4044-b50c-2dcfae864a30/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)