./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.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_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/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_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/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_8b68c873-e1b9-4439-8e1d-faa07f67a819/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 822411a57a10ce043cb0121fce52bdc7e9506783 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:07:48,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:07:48,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:07:48,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:07:48,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:07:48,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:07:48,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:07:48,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:07:48,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:07:48,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:07:48,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:07:48,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:07:48,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:07:48,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:07:48,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:07:48,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:07:48,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:07:48,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:07:48,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:07:48,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:07:48,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:07:48,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:07:48,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:07:48,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:07:48,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:07:48,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:07:48,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:07:48,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:07:48,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:07:48,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:07:48,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:07:48,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:07:48,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:07:48,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:07:48,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:07:48,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:07:48,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:07:48,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:07:48,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:07:48,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:07:48,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:07:48,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-13 04:07:48,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:07:48,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:07:48,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:07:48,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:07:48,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:07:48,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:07:48,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:07:48,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:07:48,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:07:48,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:07:48,459 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 04:07:48,459 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 04:07:48,459 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 04:07:48,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:07:48,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:07:48,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:07:48,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:07:48,461 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:07:48,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:07:48,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:07:48,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:07:48,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:07:48,462 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:07:48,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:07:48,463 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_8b68c873-e1b9-4439-8e1d-faa07f67a819/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822411a57a10ce043cb0121fce52bdc7e9506783 [2021-10-13 04:07:48,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:07:48,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:07:48,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:07:48,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:07:48,817 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:07:48,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-10-13 04:07:48,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/data/b983dfe6e/9e7f3c5bb01a4a10b709ff1d0f526f24/FLAG9fc7a74e2 [2021-10-13 04:07:49,477 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:07:49,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-10-13 04:07:49,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/data/b983dfe6e/9e7f3c5bb01a4a10b709ff1d0f526f24/FLAG9fc7a74e2 [2021-10-13 04:07:49,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/data/b983dfe6e/9e7f3c5bb01a4a10b709ff1d0f526f24 [2021-10-13 04:07:49,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:07:49,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:07:49,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:07:49,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:07:49,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:07:49,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:49" (1/1) ... [2021-10-13 04:07:49,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d641c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:49, skipping insertion in model container [2021-10-13 04:07:49,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:07:49" (1/1) ... [2021-10-13 04:07:49,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:07:49,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:07:50,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:07:50,341 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:07:50,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:07:50,441 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:07:50,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50 WrapperNode [2021-10-13 04:07:50,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:07:50,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:07:50,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:07:50,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:07:50,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:07:50,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:07:50,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:07:50,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:07:50,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:07:50,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:07:50,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:07:50,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:07:50,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:07:50,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:07:50,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:07:50,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:07:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 04:07:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:07:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 04:07:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:07:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:07:50,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:07:50,827 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:07:50,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:50 BoogieIcfgContainer [2021-10-13 04:07:50,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:07:50,846 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:07:50,846 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:07:50,856 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:07:50,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:50" (1/1) ... [2021-10-13 04:07:50,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:07:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-13 04:07:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-13 04:07:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:07:50,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:50,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:51,152 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 04:07:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-13 04:07:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-13 04:07:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:07:51,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:51,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:51,283 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 04:07:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-13 04:07:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-13 04:07:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:07:51,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:51,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:51,347 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 04:07:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-13 04:07:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-13 04:07:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:07:51,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:51,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:51,522 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 04:07:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-10-13 04:07:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-10-13 04:07:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:07:51,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:51,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:52,174 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 04:07:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-10-13 04:07:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-10-13 04:07:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:07:52,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:52,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:07:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2021-10-13 04:07:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2021-10-13 04:07:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:07:55,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:55,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:07:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-10-13 04:07:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-10-13 04:07:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:07:55,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:55,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:07:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2021-10-13 04:07:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2021-10-13 04:07:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:07:56,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:56,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:07:59,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:07:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 73 transitions. [2021-10-13 04:07:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 73 transitions. [2021-10-13 04:07:59,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:07:59,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:07:59,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:07:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:07:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 04:08:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:08:00,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2021-10-13 04:08:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2021-10-13 04:08:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 04:08:00,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:08:00,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:08:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:08:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 04:08:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:08:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 36 states and 75 transitions. [2021-10-13 04:08:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 75 transitions. [2021-10-13 04:08:00,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 04:08:00,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:08:00,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:08:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:08:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 04:08:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:08:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 38 states and 79 transitions. [2021-10-13 04:08:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 79 transitions. [2021-10-13 04:08:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 04:08:01,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:08:01,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:08:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:08:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 04:08:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:08:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 78 transitions. [2021-10-13 04:08:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 78 transitions. [2021-10-13 04:08:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 04:08:01,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:08:01,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:08:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:08:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:08:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:08:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-10-13 04:08:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-10-13 04:08:03,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:08:03,828 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2021-10-13 04:08:03,833 INFO L759 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2021-10-13 04:08:04,001 INFO L565 CodeCheckObserver]: Invariant with dag size 37 [2021-10-13 04:08:04,018 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-13 04:08:04,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:08:04 ImpRootNode [2021-10-13 04:08:04,019 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:08:04,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:08:04,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:08:04,020 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:08:04,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:07:50" (3/4) ... [2021-10-13 04:08:04,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:08:04,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 04:08:04,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 04:08:04,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 04:08:04,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-13 04:08:04,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= length && length <= 2147483647) && \valid[p] == 1) && p == 0) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)) && length <= unknown-#length-unknown[p]) || (((\valid[p] == 1 && 2 <= p) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 4294967296 * ((length + unknown-#length-unknown[p] * -1 + 4294967295 + p) / 4294967296) <= length)) || ((((1 <= p && \valid[p] == 1) && 0 <= length) && length + p <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)) [2021-10-13 04:08:04,082 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:08:04,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:08:04,084 INFO L168 Benchmark]: Toolchain (without parser) took 14252.49 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 46.8 MB in the beginning and 64.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:08:04,085 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 86.0 MB. Free memory is still 64.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:08:04,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.42 ms. Allocated memory is still 86.0 MB. Free memory was 46.6 MB in the beginning and 57.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:08:04,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.93 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 55.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:08:04,087 INFO L168 Benchmark]: Boogie Preprocessor took 21.47 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 54.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:08:04,087 INFO L168 Benchmark]: RCFGBuilder took 341.18 ms. Allocated memory is still 86.0 MB. Free memory was 54.5 MB in the beginning and 43.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:08:04,088 INFO L168 Benchmark]: CodeCheck took 13173.92 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 43.3 MB in the beginning and 66.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:08:04,088 INFO L168 Benchmark]: Witness Printer took 62.71 ms. Allocated memory is still 151.0 MB. Free memory was 66.8 MB in the beginning and 64.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:08:04,091 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, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 12938.4ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 61440 SDtfs, 28672 SDslu, 33024 SDs, 0 SdLazy, 212898 SolverSat, 86138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3883.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1291 GetRequests, 1102 SyntacticMatches, 19 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10688 ImplicationChecksByTransitivity, 10662.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 36.0ms SsaConstructionTime, 284.4ms SatisfiabilityAnalysisTime, 2740.1ms InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 42/76 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 - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: ((((((1 <= length && length <= 2147483647) && \valid[p] == 1) && p == 0) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)) && length <= unknown-#length-unknown[p]) || (((\valid[p] == 1 && 2 <= p) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 4294967296 * ((length + unknown-#length-unknown[p] * -1 + 4294967295 + p) / 4294967296) <= length)) || ((((1 <= p && \valid[p] == 1) && 0 <= length) && length + p <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)) - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 86.0 MB. Free memory is still 64.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 605.42 ms. Allocated memory is still 86.0 MB. Free memory was 46.6 MB in the beginning and 57.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.93 ms. Allocated memory is still 86.0 MB. Free memory was 57.5 MB in the beginning and 55.7 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.47 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 54.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 341.18 ms. Allocated memory is still 86.0 MB. Free memory was 54.5 MB in the beginning and 43.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 13173.92 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 43.3 MB in the beginning and 66.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * Witness Printer took 62.71 ms. Allocated memory is still 151.0 MB. Free memory was 66.8 MB in the beginning and 64.8 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 correct! [2021-10-13 04:08:04,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b68c873-e1b9-4439-8e1d-faa07f67a819/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...