./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15362e3354379e86b7768de02eb760f50ed72879 ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:47:53,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:47:53,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:47:53,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:47:53,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:47:53,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:47:53,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:47:53,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:47:53,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:47:53,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:47:53,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:47:53,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:47:53,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:47:53,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:47:53,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:47:53,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:47:53,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:47:53,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:47:53,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:47:53,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:47:53,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:47:53,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:47:53,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:47:53,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:47:53,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:47:53,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:47:53,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:47:53,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:47:53,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:47:53,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:47:53,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:47:54,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:47:54,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:47:54,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:47:54,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:47:54,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:47:54,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:47:54,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:47:54,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:47:54,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:47:54,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:47:54,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-13 04:47:54,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:47:54,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:47:54,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:47:54,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:47:54,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:47:54,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:47:54,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:47:54,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:47:54,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:47:54,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:47:54,039 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 04:47:54,040 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 04:47:54,040 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 04:47:54,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:47:54,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:47:54,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:47:54,041 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:47:54,041 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:47:54,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:47:54,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:47:54,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:47:54,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:47:54,043 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:47:54,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:47:54,043 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_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15362e3354379e86b7768de02eb760f50ed72879 [2021-10-13 04:47:54,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:47:54,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:47:54,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:47:54,342 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:47:54,343 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:47:54,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2021-10-13 04:47:54,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/data/ff216e949/f1e828ee9e454e1e8d5d5c8262667e64/FLAG22eb06ad7 [2021-10-13 04:47:55,062 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:47:55,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2021-10-13 04:47:55,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/data/ff216e949/f1e828ee9e454e1e8d5d5c8262667e64/FLAG22eb06ad7 [2021-10-13 04:47:55,343 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/data/ff216e949/f1e828ee9e454e1e8d5d5c8262667e64 [2021-10-13 04:47:55,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:47:55,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:47:55,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:47:55,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:47:55,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:47:55,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362d010c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55, skipping insertion in model container [2021-10-13 04:47:55,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:47:55,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:47:55,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:47:55,792 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:47:55,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:47:55,887 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:47:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55 WrapperNode [2021-10-13 04:47:55,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:47:55,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:47:55,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:47:55,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:47:55,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:47:55,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:47:55,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:47:55,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:47:55,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:47:55,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:47:55,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:47:55,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:47:55,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:47:55" (1/1) ... [2021-10-13 04:47:55,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:47:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:47:55,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:47:56,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:47:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 04:47:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 04:47:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 04:47:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 04:47:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:47:56,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:47:56,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:47:56,492 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 04:47:56,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:47:56 BoogieIcfgContainer [2021-10-13 04:47:56,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:47:56,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:47:56,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:47:56,516 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:47:56,516 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:47:56" (1/1) ... [2021-10-13 04:47:56,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:47:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-10-13 04:47:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-13 04:47:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:47:56,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:56,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2021-10-13 04:47:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-10-13 04:47:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:47:56,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:56,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-10-13 04:47:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-13 04:47:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:47:57,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:57,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-10-13 04:47:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-10-13 04:47:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:47:57,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:57,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-10-13 04:47:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-13 04:47:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:47:57,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:57,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:57,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:57,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2021-10-13 04:47:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-10-13 04:47:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:47:57,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:57,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:57,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-10-13 04:47:57,943 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-10-13 04:47:57,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:47:57,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:57,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-10-13 04:47:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-10-13 04:47:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:47:58,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:58,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-10-13 04:47:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-10-13 04:47:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:47:59,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:59,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:47:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:47:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-10-13 04:47:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-10-13 04:47:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:47:59,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:47:59,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:47:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:47:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:48:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:48:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2021-10-13 04:48:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-10-13 04:48:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:48:00,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:48:00,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:48:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:48:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:48:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:48:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2021-10-13 04:48:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-10-13 04:48:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:48:00,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:48:00,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:48:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:48:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 04:48:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:48:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2021-10-13 04:48:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-10-13 04:48:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:48:00,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:48:00,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:48:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:48:00,771 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:48:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:48:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:48:00,820 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:48:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:48:00,863 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2021-10-13 04:48:00,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:48:00 ImpRootNode [2021-10-13 04:48:00,887 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:48:00,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:48:00,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:48:00,906 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:48:00,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:47:56" (3/4) ... [2021-10-13 04:48:00,909 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:48:00,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:48:00,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:48:01,004 INFO L168 Benchmark]: Toolchain (without parser) took 5655.54 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 75.9 MB in the beginning and 107.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,005 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory is still 93.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:48:01,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.12 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 83.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.97 ms. Allocated memory is still 115.3 MB. Free memory was 83.0 MB in the beginning and 81.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,007 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 79.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,007 INFO L168 Benchmark]: RCFGBuilder took 531.03 ms. Allocated memory is still 115.3 MB. Free memory was 79.9 MB in the beginning and 66.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,008 INFO L168 Benchmark]: CodeCheck took 4391.26 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 66.3 MB in the beginning and 109.4 MB in the end (delta: -43.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,009 INFO L168 Benchmark]: Witness Printer took 115.06 ms. Allocated memory is still 165.7 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:48:01,013 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 1 procedures, 22 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4319.5ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8200 SDtfs, 11076 SDslu, 5128 SDs, 0 SdLazy, 53858 SolverSat, 19270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1576.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 401 SyntacticMatches, 10 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3599 ImplicationChecksByTransitivity, 3067.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 33.4ms SsaConstructionTime, 133.9ms SatisfiabilityAnalysisTime, 1015.1ms InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 4/12 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 532]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L515] int length = __VERIFIER_nondet_int(); [L516] COND FALSE !(length < 1) [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; [L521] COND TRUE i < length - 1 [L523] nondetString[i] = __VERIFIER_nondet_char() [L521] i++ [L521] COND FALSE !(i < length - 1) [L526] nondetString[length-1] = '\0' [L527] return nondetString; [L537] char* p = build_nondet_String(); [L531] const char *p = s; [L532] EXPR \read(*p) [L532] COND TRUE *p != '\0' [L533] p = p+2 [L532] \read(*p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory is still 93.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.12 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 83.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.97 ms. Allocated memory is still 115.3 MB. Free memory was 83.0 MB in the beginning and 81.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.75 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 79.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 531.03 ms. Allocated memory is still 115.3 MB. Free memory was 79.9 MB in the beginning and 66.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 4391.26 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 66.3 MB in the beginning and 109.4 MB in the end (delta: -43.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Witness Printer took 115.06 ms. Allocated memory is still 165.7 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:48:01,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f4dd11-7977-46ca-ade2-1a8f3ce91e42/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...