./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI --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 b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:57:39,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:57:39,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:57:39,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:57:39,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:57:39,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:57:39,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:57:39,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:57:39,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:57:39,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:57:39,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:57:39,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:57:39,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:57:39,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:57:39,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:57:39,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:57:39,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:57:39,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:57:39,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:57:39,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:57:39,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:57:39,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:57:39,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:57:39,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:57:39,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:57:39,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:57:39,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:57:39,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:57:39,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:57:39,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:57:39,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:57:39,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:57:39,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:57:39,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:57:39,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:57:39,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:57:39,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:57:39,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:57:39,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:57:39,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:57:39,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:57:39,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:57:39,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:57:39,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:57:39,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:57:39,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:57:39,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:57:39,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:57:39,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:57:39,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:57:39,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:57:39,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:57:39,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:57:39,505 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:57:39,506 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:57:39,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:57:39,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:57:39,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:57:39,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:57:39,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:57:39,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:57:39,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:57:39,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:57:39,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:57:39,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:57:39,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:57:39,508 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_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 [2021-10-29 03:57:39,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:57:39,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:57:39,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:57:39,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:57:39,840 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:57:39,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-10-29 03:57:39,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/data/5cb928af6/92da2b6ce4a145999279731710179979/FLAGe04b46bea [2021-10-29 03:57:40,419 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:57:40,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-10-29 03:57:40,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/data/5cb928af6/92da2b6ce4a145999279731710179979/FLAGe04b46bea [2021-10-29 03:57:40,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/data/5cb928af6/92da2b6ce4a145999279731710179979 [2021-10-29 03:57:40,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:57:40,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:57:40,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:57:40,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:57:40,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:57:40,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:40" (1/1) ... [2021-10-29 03:57:40,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b68895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:40, skipping insertion in model container [2021-10-29 03:57:40,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:40" (1/1) ... [2021-10-29 03:57:40,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:57:40,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:57:41,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:57:41,139 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:57:41,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:57:41,221 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:57:41,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41 WrapperNode [2021-10-29 03:57:41,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:57:41,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:57:41,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:57:41,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:57:41,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:57:41,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:57:41,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:57:41,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:57:41,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:57:41,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:57:41,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:57:41,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:57:41,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:57:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:57:41,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:57:41,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:57:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:57:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:57:41,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:57:41,867 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 03:57:41,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:41 BoogieIcfgContainer [2021-10-29 03:57:41,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:57:41,871 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:57:41,871 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:57:41,893 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:57:41,893 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:41" (1/1) ... [2021-10-29 03:57:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:57:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2021-10-29 03:57:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-10-29 03:57:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:57:41,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:41,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2021-10-29 03:57:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-10-29 03:57:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:57:42,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:42,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2021-10-29 03:57:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-10-29 03:57:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:57:42,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:42,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2021-10-29 03:57:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-10-29 03:57:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:57:42,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:42,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2021-10-29 03:57:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-10-29 03:57:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:57:42,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:42,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2021-10-29 03:57:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-10-29 03:57:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:57:42,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:42,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2021-10-29 03:57:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-10-29 03:57:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:57:43,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:43,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2021-10-29 03:57:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-10-29 03:57:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:57:43,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:43,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2021-10-29 03:57:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-10-29 03:57:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:57:43,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:43,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2021-10-29 03:57:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-10-29 03:57:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:57:43,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:43,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:43,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2021-10-29 03:57:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-10-29 03:57:43,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:57:43,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:43,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-10-29 03:57:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-29 03:57:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:57:44,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:44,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-10-29 03:57:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-29 03:57:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:57:45,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:45,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2021-10-29 03:57:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-29 03:57:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:57:47,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:47,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:52,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-10-29 03:57:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-10-29 03:57:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:57:52,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:52,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-10-29 03:57:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-10-29 03:57:59,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:57:59,722 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-10-29 03:57:59,729 INFO L759 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2021-10-29 03:57:59,856 INFO L565 CodeCheckObserver]: Invariant with dag size 31 [2021-10-29 03:57:59,869 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:57:59,869 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:57:59,870 INFO L565 CodeCheckObserver]: Invariant with dag size 19 [2021-10-29 03:57:59,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:57:59 ImpRootNode [2021-10-29 03:57:59,871 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:57:59,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:57:59,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:57:59,872 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:57:59,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:41" (3/4) ... [2021-10-29 03:57:59,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:57:59,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 03:57:59,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:57:59,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:57:59,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == temp && unknown-#length-unknown[temp] == 4) && temp + 1 <= unknown-#StackHeapBarrier-unknown) && \old(unknown-main_\old_#valid-unknown) == \valid[temp := 0]) && \valid[temp] == 1 [2021-10-29 03:57:59,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((unknown-#length-unknown[s] == 4 && 0 == temp) && s == 0) && s + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[s] == 1) && temp + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[s := 0][temp] == 1) && (0 < temp || temp + 1 <= 0)) && \valid[temp := 0][s := 0] == \old(unknown-main_\old_#valid-unknown) [2021-10-29 03:57:59,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 03:57:59,929 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:57:59,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:57:59,931 INFO L168 Benchmark]: Toolchain (without parser) took 19172.50 ms. Allocated memory was 88.1 MB in the beginning and 209.7 MB in the end (delta: 121.6 MB). Free memory was 53.8 MB in the beginning and 114.5 MB in the end (delta: -60.6 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:59,932 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 88.1 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:57:59,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.41 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 53.6 MB in the beginning and 90.9 MB in the end (delta: -37.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:59,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.64 ms. Allocated memory is still 119.5 MB. Free memory was 90.9 MB in the beginning and 89.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:57:59,934 INFO L168 Benchmark]: Boogie Preprocessor took 55.26 ms. Allocated memory is still 119.5 MB. Free memory was 89.6 MB in the beginning and 88.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:59,935 INFO L168 Benchmark]: RCFGBuilder took 525.54 ms. Allocated memory is still 119.5 MB. Free memory was 88.0 MB in the beginning and 74.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:59,936 INFO L168 Benchmark]: CodeCheck took 18000.47 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 74.9 MB in the beginning and 117.6 MB in the end (delta: -42.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:59,936 INFO L168 Benchmark]: Witness Printer took 57.85 ms. Allocated memory is still 209.7 MB. Free memory was 117.6 MB in the beginning and 114.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:59,940 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, 32 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 98432 SDtfs, 93376 SDslu, 98560 SDs, 0 SdLazy, 492998 SolverSat, 158738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 992 GetRequests, 749 SyntacticMatches, 3 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23144 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 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: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 568]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((((((unknown-#length-unknown[s] == 4 && 0 == temp) && s == 0) && s + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[s] == 1) && temp + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[s := 0][temp] == 1) && (0 < temp || temp + 1 <= 0)) && \valid[temp := 0][s := 0] == \old(unknown-main_\old_#valid-unknown) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((0 == temp && unknown-#length-unknown[temp] == 4) && temp + 1 <= unknown-#StackHeapBarrier-unknown) && \old(unknown-main_\old_#valid-unknown) == \valid[temp := 0]) && \valid[temp] == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 88.1 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.41 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 53.6 MB in the beginning and 90.9 MB in the end (delta: -37.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.64 ms. Allocated memory is still 119.5 MB. Free memory was 90.9 MB in the beginning and 89.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.26 ms. Allocated memory is still 119.5 MB. Free memory was 89.6 MB in the beginning and 88.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 525.54 ms. Allocated memory is still 119.5 MB. Free memory was 88.0 MB in the beginning and 74.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 18000.47 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 74.9 MB in the beginning and 117.6 MB in the end (delta: -42.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 16.1 GB. * Witness Printer took 57.85 ms. Allocated memory is still 209.7 MB. Free memory was 117.6 MB in the beginning and 114.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:57:59,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbded264-0dbf-45f4-adad-3e4403681b9e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...