./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_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_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/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_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/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_4b7eeda9-f312-49b4-ae82-45d951d724ad/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 b9d442edaf39405403c55d0ca525c8d51cd805e07b97237cfb6d3e0cfa028cb0 --- 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 22:59:46,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:59:46,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:59:46,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:59:46,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:59:46,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:59:46,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:59:46,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:59:46,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:59:46,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:59:46,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:59:46,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:59:46,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:59:46,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:59:46,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:59:46,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:59:46,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:59:46,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:59:46,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:59:46,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:59:46,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:59:46,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:59:46,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:59:46,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:59:46,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:59:46,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:59:46,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:59:46,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:59:46,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:59:46,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:59:46,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:59:46,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:59:46,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:59:46,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:59:46,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:59:46,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:59:46,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:59:46,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:59:46,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:59:46,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:59:46,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:59:46,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:59:46,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:59:46,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:59:46,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:59:46,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:59:46,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:59:46,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:59:46,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:59:46,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:59:46,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:59:46,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:59:46,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:59:46,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:59:46,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:59:46,432 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:59:46,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:59:46,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:59:46,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:59:46,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:59:46,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:59:46,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:59:46,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:59:46,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:59:46,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:59:46,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:59:46,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:59:46,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:59:46,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:59:46,436 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_4b7eeda9-f312-49b4-ae82-45d951d724ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d442edaf39405403c55d0ca525c8d51cd805e07b97237cfb6d3e0cfa028cb0 [2022-11-21 22:59:46,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:59:46,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:59:46,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:59:46,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:59:46,790 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:59:46,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_21_good.i [2022-11-21 22:59:49,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:59:50,210 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:59:50,225 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_21_good.i [2022-11-21 22:59:50,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/data/521fe4ade/4c35c5bde08f4c6395737817cf7d1edc/FLAGc0306ea91 [2022-11-21 22:59:50,279 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/data/521fe4ade/4c35c5bde08f4c6395737817cf7d1edc [2022-11-21 22:59:50,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:59:50,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:59:50,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:59:50,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:59:50,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:59:50,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:59:50" (1/1) ... [2022-11-21 22:59:50,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8ed942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:50, skipping insertion in model container [2022-11-21 22:59:50,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:59:50" (1/1) ... [2022-11-21 22:59:50,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:59:50,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:59:50,852 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:59:51,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:59:51,486 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:59:51,504 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:59:51,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:59:51,745 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:59:51,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51 WrapperNode [2022-11-21 22:59:51,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:59:51,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:59:51,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:59:51,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:59:51,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,841 INFO L138 Inliner]: procedures = 506, calls = 84, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 113 [2022-11-21 22:59:51,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:59:51,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:59:51,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:59:51,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:59:51,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,896 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:59:51,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:59:51,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:59:51,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:59:51,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:59:51" (1/1) ... [2022-11-21 22:59:51,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:59:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:59:51,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:59:51,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:59:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:59:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:59:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:59:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:59:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:59:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:59:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:59:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:59:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:59:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:59:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:59:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:59:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:59:52,160 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:59:52,162 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:59:52,391 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:59:52,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:59:52,437 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:59:52,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:59:52 BoogieIcfgContainer [2022-11-21 22:59:52,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:59:52,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:59:52,441 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:59:52,451 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:59:52,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:59:52" (1/1) ... [2022-11-21 22:59:52,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:59:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-11-21 22:59:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-21 22:59:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:59:52,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:52,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:53,016 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 22:59:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-11-21 22:59:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-11-21 22:59:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:59:53,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:53,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:53,221 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 22:59:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2022-11-21 22:59:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-11-21 22:59:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:59:53,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:53,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:53,446 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 22:59:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 54 transitions. [2022-11-21 22:59:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-11-21 22:59:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:59:53,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:53,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:53,657 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 22:59:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 51 transitions. [2022-11-21 22:59:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-11-21 22:59:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:59:53,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:54,068 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 22:59:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:54,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 57 transitions. [2022-11-21 22:59:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-21 22:59:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:59:54,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:54,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:54,296 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 22:59:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 56 transitions. [2022-11-21 22:59:54,457 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-11-21 22:59:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:59:54,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:54,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:54,625 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 22:59:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 55 transitions. [2022-11-21 22:59:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-21 22:59:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:59:54,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:54,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:54,928 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 22:59:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 48 transitions. [2022-11-21 22:59:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-11-21 22:59:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:59:55,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:55,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:55,211 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 22:59:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 47 transitions. [2022-11-21 22:59:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-11-21 22:59:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:59:55,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:59:55,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:59:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:59:55,493 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 22:59:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:59:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 46 transitions. [2022-11-21 22:59:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-11-21 22:59:55,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:59:55,744 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-11-21 22:59:55,753 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 22:59:55,838 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:59:55,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:59:55 ImpRootNode [2022-11-21 22:59:55,844 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:59:55,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:59:55,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:59:55,845 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:59:55,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:59:52" (3/4) ... [2022-11-21 22:59:55,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:59:55,864 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:59:55,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:59:55,874 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-21 22:59:55,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 22:59:55,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:59:55,878 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:59:55,878 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:59:55,955 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:59:55,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:59:55,959 INFO L158 Benchmark]: Toolchain (without parser) took 5675.65ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 107.8MB in the beginning and 112.8MB in the end (delta: -5.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-21 22:59:55,959 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 109.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:59:55,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1460.69ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 84.4MB in the end (delta: 23.3MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-11-21 22:59:55,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.25ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 81.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:59:55,960 INFO L158 Benchmark]: Boogie Preprocessor took 57.87ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 79.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:59:55,961 INFO L158 Benchmark]: RCFGBuilder took 539.02ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 61.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:59:55,961 INFO L158 Benchmark]: CodeCheck took 3403.71ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 61.3MB in the beginning and 116.9MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:59:55,963 INFO L158 Benchmark]: Witness Printer took 113.75ms. Allocated memory is still 209.7MB. Free memory was 116.9MB in the beginning and 112.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:59:55,965 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: 3.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 632 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 465 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 216 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 480 IncrementalHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 216 mSolverCounterUnsat, 379 mSDtfsCounter, 480 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1391 GetRequests, 1327 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 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 0.58ms. Allocated memory is still 109.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1460.69ms. Allocated memory is still 155.2MB. Free memory was 107.7MB in the beginning and 84.4MB in the end (delta: 23.3MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.25ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 81.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.87ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 79.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.02ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 61.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3403.71ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 61.3MB in the beginning and 116.9MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.75ms. Allocated memory is still 209.7MB. Free memory was 116.9MB in the beginning and 112.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:59:55,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7eeda9-f312-49b4-ae82-45d951d724ad/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