./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4 --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 74fd1c297c9ead1efa721ee76b1dea98137c2d38729559c7e520055033bcd721 --- 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-2329fc7 [2022-12-14 23:36:11,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:36:11,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:36:11,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:36:11,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:36:11,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:36:11,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:36:11,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:36:11,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:36:11,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:36:11,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:36:11,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:36:11,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:36:11,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:36:11,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:36:11,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:36:11,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:36:11,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:36:11,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:36:11,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:36:11,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:36:11,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:36:11,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:36:11,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:36:11,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:36:11,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:36:11,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:36:11,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:36:11,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:36:11,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:36:11,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:36:11,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:36:11,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:36:11,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:36:11,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:36:11,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:36:11,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:36:11,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:36:11,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:36:11,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:36:11,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:36:11,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:36:11,677 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:36:11,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:36:11,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:36:11,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:36:11,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:36:11,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:36:11,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:36:11,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:36:11,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:36:11,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:36:11,679 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:36:11,680 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:36:11,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:36:11,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:36:11,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:36:11,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:36:11,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:36:11,680 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:36:11,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:36:11,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:36:11,681 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_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74fd1c297c9ead1efa721ee76b1dea98137c2d38729559c7e520055033bcd721 [2022-12-14 23:36:11,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:36:11,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:36:11,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:36:11,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:36:11,865 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:36:11,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i [2022-12-14 23:36:14,391 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:36:14,629 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:36:14,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i [2022-12-14 23:36:14,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/data/aa0c24f92/d3076df21ac941e9bfb8e0236a80f043/FLAG59041ae09 [2022-12-14 23:36:14,652 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/data/aa0c24f92/d3076df21ac941e9bfb8e0236a80f043 [2022-12-14 23:36:14,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:36:14,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:36:14,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:36:14,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:36:14,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:36:14,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:14" (1/1) ... [2022-12-14 23:36:14,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4097f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:14, skipping insertion in model container [2022-12-14 23:36:14,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:14" (1/1) ... [2022-12-14 23:36:14,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:36:14,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:36:14,931 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:36:15,240 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:36:15,244 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:15,245 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:15,247 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:15,247 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:15,271 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:36:15,274 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:36:15,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:36:15,287 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:36:15,300 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:36:15,331 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:36:15,332 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:15,333 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:15,334 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:15,335 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:15,338 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:36:15,339 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:36:15,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:36:15,443 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:36:15,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15 WrapperNode [2022-12-14 23:36:15,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:36:15,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:36:15,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:36:15,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:36:15,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,479 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 74 [2022-12-14 23:36:15,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:36:15,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:36:15,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:36:15,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:36:15,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:36:15,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:36:15,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:36:15,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:36:15,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:36:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:36:15,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:36:15,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:36:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:36:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:36:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 23:36:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 23:36:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:36:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:36:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:36:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:36:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:36:15,652 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:36:15,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:36:15,762 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:36:15,782 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:36:15,782 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:36:15,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:15 BoogieIcfgContainer [2022-12-14 23:36:15,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:36:15,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:36:15,789 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:36:15,797 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:36:15,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:36:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-12-14 23:36:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-12-14 23:36:15,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:36:15,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:15,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 52 transitions. [2022-12-14 23:36:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-12-14 23:36:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:36:16,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:16,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 51 transitions. [2022-12-14 23:36:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-14 23:36:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:36:16,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:16,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 50 transitions. [2022-12-14 23:36:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-12-14 23:36:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:36:16,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:16,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 49 transitions. [2022-12-14 23:36:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-14 23:36:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:36:16,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:16,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 55 transitions. [2022-12-14 23:36:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-12-14 23:36:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:36:16,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 61 transitions. [2022-12-14 23:36:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-12-14 23:36:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:36:17,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:36:17,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 60 transitions. [2022-12-14 23:36:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-12-14 23:36:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:36:17,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 66 transitions. [2022-12-14 23:36:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2022-12-14 23:36:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:36:17,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:36:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 59 transitions. [2022-12-14 23:36:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2022-12-14 23:36:18,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:36:18,652 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-12-14 23:36:18,659 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 23:36:18,732 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:36:18,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:36:18 ImpRootNode [2022-12-14 23:36:18,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:36:18,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:36:18,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:36:18,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:36:18,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:15" (3/4) ... [2022-12-14 23:36:18,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:36:18,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:36:18,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:36:18,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 23:36:18,746 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 23:36:18,747 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 23:36:18,747 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 23:36:18,747 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:36:18,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:36:18,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:36:18,776 INFO L158 Benchmark]: Toolchain (without parser) took 4120.52ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 79.1MB in the beginning and 75.0MB in the end (delta: 4.0MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,777 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 87.7MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:36:18,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.71ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 79.1MB in the beginning and 80.9MB in the end (delta: -1.8MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.65ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 78.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,777 INFO L158 Benchmark]: Boogie Preprocessor took 17.56ms. Allocated memory is still 144.7MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,778 INFO L158 Benchmark]: RCFGBuilder took 286.13ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 60.7MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,778 INFO L158 Benchmark]: CodeCheck took 2947.92ms. Allocated memory is still 144.7MB. Free memory was 110.5MB in the beginning and 79.1MB in the end (delta: 31.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,778 INFO L158 Benchmark]: Witness Printer took 38.54ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 75.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:36:18,781 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 4 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 504 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 377 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 652 IncrementalHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 235 mSDtfsCounter, 652 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1361 GetRequests, 1276 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1784 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 19/19 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: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 87.7MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.71ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 79.1MB in the beginning and 80.9MB in the end (delta: -1.8MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.65ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 78.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.56ms. Allocated memory is still 144.7MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.13ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 60.7MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2947.92ms. Allocated memory is still 144.7MB. Free memory was 110.5MB in the beginning and 79.1MB in the end (delta: 31.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 38.54ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 75.0MB 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! [2022-12-14 23:36:18,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a7865a-bd33-42ec-82f2-31d5496a97cc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE