./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_21_good.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_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/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_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/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_14daf4f8-97e0-43c7-8b45-d576de4485f7/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 5b5fd6fb34b77660200e5206855a44db53959585d19dbf76dc909dd252394da0 --- 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 22:15:58,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:15:58,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:15:58,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:15:58,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:15:58,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:15:58,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:15:58,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:15:58,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:15:58,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:15:58,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:15:58,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:15:58,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:15:58,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:15:58,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:15:58,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:15:58,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:15:58,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:15:58,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:15:58,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:15:58,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:15:58,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:15:58,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:15:58,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:15:58,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:15:58,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:15:58,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:15:58,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:15:58,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:15:58,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:15:58,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:15:58,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:15:58,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:15:58,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:15:58,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:15:58,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:15:58,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:15:58,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:15:58,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:15:58,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:15:58,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:15:58,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:15:58,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:15:58,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:15:58,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:15:58,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:15:58,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:15:58,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:15:58,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:15:58,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:15:58,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:15:58,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:15:58,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:15:58,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:15:58,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:15:58,547 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:15:58,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:15:58,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:15:58,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:15:58,548 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:15:58,548 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:15:58,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:15:58,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:15:58,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:15:58,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:15:58,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:15:58,550 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:15:58,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:15:58,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:15:58,550 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_14daf4f8-97e0-43c7-8b45-d576de4485f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b5fd6fb34b77660200e5206855a44db53959585d19dbf76dc909dd252394da0 [2022-11-21 22:15:58,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:15:58,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:15:58,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:15:58,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:15:58,825 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:15:58,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_21_good.i [2022-11-21 22:16:01,954 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:02,394 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:02,399 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_21_good.i [2022-11-21 22:16:02,426 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/data/9f9a466b6/a7fa357da2e94e9d94ded7675eaca39d/FLAG5570fb683 [2022-11-21 22:16:02,443 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/data/9f9a466b6/a7fa357da2e94e9d94ded7675eaca39d [2022-11-21 22:16:02,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:02,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:02,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:02,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:02,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:02,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:02" (1/1) ... [2022-11-21 22:16:02,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5049dee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:02, skipping insertion in model container [2022-11-21 22:16:02,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:02" (1/1) ... [2022-11-21 22:16:02,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:02,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:02,959 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:16:03,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:03,545 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:03,574 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:16:03,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:03,815 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:03,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03 WrapperNode [2022-11-21 22:16:03,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:03,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:03,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:03,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:03,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,931 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 113 [2022-11-21 22:16:03,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:03,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:03,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:03,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:03,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:03,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:03,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:03,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:03,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:03" (1/1) ... [2022-11-21 22:16:03,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:04,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:04,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:04,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:16:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:16:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:16:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:16:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:16:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:16:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:16:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:16:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:16:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:16:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:16:04,224 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:04,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:04,498 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:04,534 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:04,534 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:16:04,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:04 BoogieIcfgContainer [2022-11-21 22:16:04,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:04,538 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:04,538 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:04,548 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:04,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:04" (1/1) ... [2022-11-21 22:16:04,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:16:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-11-21 22:16:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-21 22:16:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:16:04,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:04,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:05,069 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 22:16:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-11-21 22:16:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-11-21 22:16:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:16:05,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:05,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:05,243 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 22:16:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2022-11-21 22:16:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-21 22:16:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:16:05,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:05,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:16:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 54 transitions. [2022-11-21 22:16:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-11-21 22:16:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:16:05,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:05,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:16:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 51 transitions. [2022-11-21 22:16:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-11-21 22:16:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:16:05,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:05,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:16:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 57 transitions. [2022-11-21 22:16:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-21 22:16:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:16:06,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:06,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:06,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:16:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 56 transitions. [2022-11-21 22:16:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-11-21 22:16:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:16:06,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:06,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:16:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 55 transitions. [2022-11-21 22:16:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-21 22:16:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:16:06,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:06,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:16:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 48 transitions. [2022-11-21 22:16:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-11-21 22:16:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:16:06,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:16:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 47 transitions. [2022-11-21 22:16:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-11-21 22:16:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:16:06,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:06,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:16:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 46 transitions. [2022-11-21 22:16:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-11-21 22:16:07,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:16:07,025 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-11-21 22:16:07,033 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 22:16:07,108 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:16:07,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:16:07 ImpRootNode [2022-11-21 22:16:07,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:16:07,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:16:07,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:16:07,114 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:16:07,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:04" (3/4) ... [2022-11-21 22:16:07,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:16:07,124 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:16:07,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:16:07,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-21 22:16:07,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 22:16:07,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:16:07,131 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:16:07,131 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:16:07,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:16:07,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:16:07,187 INFO L158 Benchmark]: Toolchain (without parser) took 4737.89ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 114.8MB in the beginning and 141.9MB in the end (delta: -27.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-21 22:16:07,188 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:07,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.89ms. Allocated memory is still 148.9MB. Free memory was 114.4MB in the beginning and 112.6MB in the end (delta: 1.7MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-11-21 22:16:07,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.29ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 109.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:07,189 INFO L158 Benchmark]: Boogie Preprocessor took 58.16ms. Allocated memory is still 148.9MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:07,189 INFO L158 Benchmark]: RCFGBuilder took 546.39ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 89.6MB in the end (delta: 18.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 22:16:07,190 INFO L158 Benchmark]: CodeCheck took 2575.62ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 145.9MB in the end (delta: -57.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2022-11-21 22:16:07,190 INFO L158 Benchmark]: Witness Printer took 72.70ms. Allocated memory is still 180.4MB. Free memory was 145.9MB in the beginning and 141.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:16:07,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 670 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 477 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 383 mSDtfsCounter, 468 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1383 GetRequests, 1333 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 28/28 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 - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1653]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.89ms. Allocated memory is still 148.9MB. Free memory was 114.4MB in the beginning and 112.6MB in the end (delta: 1.7MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.29ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 109.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.16ms. Allocated memory is still 148.9MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.39ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 89.6MB in the end (delta: 18.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 2575.62ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 145.9MB in the end (delta: -57.1MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * Witness Printer took 72.70ms. Allocated memory is still 180.4MB. Free memory was 145.9MB in the beginning and 141.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:16:07,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14daf4f8-97e0-43c7-8b45-d576de4485f7/bin/ukojak-jW3SillKbg/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 Result: TRUE