./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/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_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:41:12,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:41:12,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:41:12,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:41:12,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:41:12,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:41:12,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:41:12,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:41:12,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:41:12,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:41:12,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:41:12,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:41:12,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:41:12,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:41:12,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:41:12,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:41:12,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:41:12,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:41:12,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:41:12,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:41:12,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:41:12,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:41:12,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:41:12,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:41:12,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:41:12,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:41:12,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:41:12,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:41:12,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:41:12,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:41:12,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:41:12,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:41:12,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:41:12,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:41:12,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:41:12,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:41:12,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:41:12,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:41:12,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:41:12,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:41:12,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:41:12,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:41:12,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:41:12,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:41:12,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:41:12,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:41:12,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:41:12,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:41:12,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:41:12,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:41:12,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:41:12,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:41:12,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:41:12,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:41:12,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:41:12,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:41:12,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:41:12,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:41:12,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:41:12,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:41:12,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:41:12,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:41:12,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:41:12,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:41:12,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:41:12,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:41:12,790 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_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 [2021-11-23 00:41:13,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:41:13,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:41:13,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:41:13,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:41:13,203 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:41:13,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-11-23 00:41:13,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/data/50792f8be/6705ab628cf14f5fa911f4cd8048a6a6/FLAG43331c1f6 [2021-11-23 00:41:13,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:41:13,939 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-11-23 00:41:13,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/data/50792f8be/6705ab628cf14f5fa911f4cd8048a6a6/FLAG43331c1f6 [2021-11-23 00:41:14,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/data/50792f8be/6705ab628cf14f5fa911f4cd8048a6a6 [2021-11-23 00:41:14,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:41:14,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:41:14,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:41:14,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:41:14,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:41:14,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d93752c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14, skipping insertion in model container [2021-11-23 00:41:14,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:41:14,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:41:14,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:41:14,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:41:14,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:41:14,723 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:41:14,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14 WrapperNode [2021-11-23 00:41:14,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:41:14,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:41:14,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:41:14,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:41:14,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,785 INFO L137 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 47 [2021-11-23 00:41:14,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:41:14,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:41:14,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:41:14,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:41:14,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:41:14,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:41:14,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:41:14,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:41:14,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:14" (1/1) ... [2021-11-23 00:41:14,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:41:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:41:14,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:41:14,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:41:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:41:15,004 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:41:15,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:41:15,239 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:41:15,276 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:41:15,290 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:41:15,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:15 BoogieIcfgContainer [2021-11-23 00:41:15,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:41:15,294 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:41:15,295 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:41:15,320 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:41:15,320 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:15" (1/1) ... [2021-11-23 00:41:15,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:41:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2021-11-23 00:41:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-11-23 00:41:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:41:15,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:15,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2021-11-23 00:41:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-11-23 00:41:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:41:15,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:15,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2021-11-23 00:41:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-23 00:41:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:41:16,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2021-11-23 00:41:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-11-23 00:41:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:41:16,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2021-11-23 00:41:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-11-23 00:41:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:41:16,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2021-11-23 00:41:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-11-23 00:41:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:41:16,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2021-11-23 00:41:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-23 00:41:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:41:16,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2021-11-23 00:41:16,660 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-11-23 00:41:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:41:16,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2021-11-23 00:41:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-11-23 00:41:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:41:16,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2021-11-23 00:41:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-23 00:41:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:41:16,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2021-11-23 00:41:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-11-23 00:41:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:41:17,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-11-23 00:41:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-23 00:41:17,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:41:17,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-23 00:41:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-23 00:41:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:19,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:19,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2021-11-23 00:41:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-23 00:41:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:41:21,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:21,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-23 00:41:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-23 00:41:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:41:25,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:25,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-11-23 00:41:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-23 00:41:32,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:41:32,440 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-11-23 00:41:32,448 INFO L754 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2021-11-23 00:41:32,546 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:41:32,550 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2021-11-23 00:41:32,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:41:32,559 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:41:32,560 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 00:41:32,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:41:32 ImpRootNode [2021-11-23 00:41:32,562 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:41:32,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:41:32,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:41:32,563 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:41:32,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:15" (3/4) ... [2021-11-23 00:41:32,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:41:32,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 00:41:32,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:41:32,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:41:32,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:41:32,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && \valid[temp] == 1) && unknown-#length-unknown[temp] == 4) && \valid[temp := 0] == \old(unknown-main_\old_#valid#1-unknown) [2021-11-23 00:41:32,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && \valid[s := 0][temp] == 1) && \valid[temp := 0][s := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[s] == 1) && unknown-#length-unknown[s] == 4) && s + 1 <= unknown-#StackHeapBarrier-unknown) && s == 0 [2021-11-23 00:41:32,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-23 00:41:32,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:41:32,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:41:32,628 INFO L158 Benchmark]: Toolchain (without parser) took 18425.53ms. Allocated memory was 90.2MB in the beginning and 195.0MB in the end (delta: 104.9MB). Free memory was 53.3MB in the beginning and 63.3MB in the end (delta: -10.1MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2021-11-23 00:41:32,628 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 90.2MB. Free memory was 70.7MB in the beginning and 70.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:41:32,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.92ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 81.6MB in the end (delta: -28.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:41:32,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.60ms. Allocated memory is still 111.1MB. Free memory was 81.6MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:41:32,630 INFO L158 Benchmark]: Boogie Preprocessor took 37.20ms. Allocated memory is still 111.1MB. Free memory was 79.9MB in the beginning and 78.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:41:32,631 INFO L158 Benchmark]: RCFGBuilder took 469.39ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 66.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:41:32,632 INFO L158 Benchmark]: CodeCheck took 17267.64ms. Allocated memory was 111.1MB in the beginning and 195.0MB in the end (delta: 83.9MB). Free memory was 66.0MB in the beginning and 66.5MB in the end (delta: -508.7kB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2021-11-23 00:41:32,633 INFO L158 Benchmark]: Witness Printer took 64.30ms. Allocated memory is still 195.0MB. Free memory was 66.5MB in the beginning and 63.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:41:32,636 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: 17.1s, 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: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1584 IncrementalHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 447 mSolverCounterUnsat, 70 mSDtfsCounter, 1584 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 992 GetRequests, 749 SyntacticMatches, 3 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23144 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 794 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: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && \valid[s := 0][temp] == 1) && \valid[temp := 0][s := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[s] == 1) && unknown-#length-unknown[s] == 4) && s + 1 <= unknown-#StackHeapBarrier-unknown) && s == 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && \valid[temp] == 1) && unknown-#length-unknown[temp] == 4) && \valid[temp := 0] == \old(unknown-main_\old_#valid#1-unknown) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 90.2MB. Free memory was 70.7MB in the beginning and 70.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.92ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 81.6MB in the end (delta: -28.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.60ms. Allocated memory is still 111.1MB. Free memory was 81.6MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.20ms. Allocated memory is still 111.1MB. Free memory was 79.9MB in the beginning and 78.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.39ms. Allocated memory is still 111.1MB. Free memory was 78.5MB in the beginning and 66.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 17267.64ms. Allocated memory was 111.1MB in the beginning and 195.0MB in the end (delta: 83.9MB). Free memory was 66.0MB in the beginning and 66.5MB in the end (delta: -508.7kB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 64.30ms. Allocated memory is still 195.0MB. Free memory was 66.5MB in the beginning and 63.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:41:32,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc10d9a5-6a61-46d5-b568-11dac4ece6b1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE