./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --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_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/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_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/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_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/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 e0af411cbe463e50d2f658cbef67da9cc6723e28c1262169ce3b6aa7303dfb51 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:54,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:54,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:54,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:54,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:54,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:54,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:54,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:54,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:54,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:54,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:54,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:54,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:54,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:54,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:54,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:54,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:54,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:54,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:54,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:54,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:54,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:54,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:54,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:54,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:54,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:54,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:54,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:54,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:54,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:54,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:54,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:54,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:54,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:54,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:54,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:54,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:54,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:54,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:54,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:54,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:54,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:24:54,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:54,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:54,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:54,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:54,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:54,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:54,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:24:54,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:54,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:54,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:54,696 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:24:54,696 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:24:54,697 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:24:54,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:54,697 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:54,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:54,697 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:54,698 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:54,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:54,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:54,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:54,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:54,699 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:54,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:54,699 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_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0af411cbe463e50d2f658cbef67da9cc6723e28c1262169ce3b6aa7303dfb51 [2021-11-22 23:24:55,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:55,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:55,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:55,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:55,049 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:55,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-11-22 23:24:55,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/data/903f66181/471467304d01448c8139ca45a3cfc577/FLAG5576ac9d5 [2021-11-22 23:24:55,645 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:55,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-11-22 23:24:55,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/data/903f66181/471467304d01448c8139ca45a3cfc577/FLAG5576ac9d5 [2021-11-22 23:24:56,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/data/903f66181/471467304d01448c8139ca45a3cfc577 [2021-11-22 23:24:56,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:56,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:56,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:56,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:56,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:56,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe48444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56, skipping insertion in model container [2021-11-22 23:24:56,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:56,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:56,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:56,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:56,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:56,308 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:56,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56 WrapperNode [2021-11-22 23:24:56,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:56,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:56,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:56,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:56,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,343 INFO L137 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2021-11-22 23:24:56,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:56,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:56,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:56,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:56,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:56,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:56,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:56,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:56,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:56,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:56,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:56,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:56,575 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:56,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:56,727 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:56,744 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:56,744 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:24:56,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:56 BoogieIcfgContainer [2021-11-22 23:24:56,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:56,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:56,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:56,759 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:56,759 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:56" (1/1) ... [2021-11-22 23:24:56,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2021-11-22 23:24:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2021-11-22 23:24:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-22 23:24:56,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2021-11-22 23:24:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2021-11-22 23:24:57,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:24:57,036 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-11-22 23:24:57,048 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:24:57,057 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-22 23:24:57,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:24:57 ImpRootNode [2021-11-22 23:24:57,067 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:24:57,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:24:57,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:24:57,069 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:24:57,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:56" (3/4) ... [2021-11-22 23:24:57,073 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:24:57,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-22 23:24:57,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:24:57,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 23:24:57,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-22 23:24:57,162 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:24:57,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:24:57,164 INFO L158 Benchmark]: Toolchain (without parser) took 1149.21ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 39.4MB in the beginning and 59.8MB in the end (delta: -20.4MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,165 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:57,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.50ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 39.2MB in the beginning and 89.8MB in the end (delta: -50.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.41ms. Allocated memory is still 113.2MB. Free memory was 89.8MB in the beginning and 88.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,167 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 86.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,167 INFO L158 Benchmark]: RCFGBuilder took 380.55ms. Allocated memory is still 113.2MB. Free memory was 86.5MB in the beginning and 76.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,170 INFO L158 Benchmark]: CodeCheck took 319.49ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 64.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,173 INFO L158 Benchmark]: Witness Printer took 93.66ms. Allocated memory is still 113.2MB. Free memory was 64.9MB in the beginning and 59.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:24:57,177 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, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.50ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 39.2MB in the beginning and 89.8MB in the end (delta: -50.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.41ms. Allocated memory is still 113.2MB. Free memory was 89.8MB in the beginning and 88.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 86.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.55ms. Allocated memory is still 113.2MB. Free memory was 86.5MB in the beginning and 76.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 319.49ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 64.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 93.66ms. Allocated memory is still 113.2MB. Free memory was 64.9MB in the beginning and 59.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:24:57,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea8ce9a-91c1-44fe-9276-b7b5449bf0ea/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