./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/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_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/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 64bit --witnessprinter.graph.data.programhash 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 ............................................................................................................................................................................................................................................................................................................................................... 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 03:30:12,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:30:12,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:30:12,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:30:12,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:30:12,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:30:12,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:30:12,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:30:12,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:30:12,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:30:12,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:30:12,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:30:12,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:30:12,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:30:12,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:30:12,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:30:12,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:30:12,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:30:12,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:30:12,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:30:12,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:30:12,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:30:12,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:30:12,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:30:12,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:30:12,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:30:12,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:30:12,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:30:12,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:30:12,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:30:12,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:30:12,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:30:12,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:30:12,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:30:12,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:30:12,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:30:12,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:30:12,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:30:12,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:30:12,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:30:12,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:30:12,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-10-29 03:30:12,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:30:12,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:30:12,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:30:12,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:30:12,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:30:12,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:30:12,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:30:12,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:30:12,862 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:30:12,862 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:30:12,864 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:30:12,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:30:12,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:30:12,865 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:30:12,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:30:12,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:30:12,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:12,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:30:12,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:30:12,867 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:30:12,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:30:12,867 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_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2021-10-29 03:30:13,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:30:13,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:30:13,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:30:13,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:30:13,301 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:30:13,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-29 03:30:13,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/data/1a65c5cb2/d0005946d69948b8869c4681fc6f464b/FLAG411a9c16c [2021-10-29 03:30:14,074 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:30:14,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-29 03:30:14,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/data/1a65c5cb2/d0005946d69948b8869c4681fc6f464b/FLAG411a9c16c [2021-10-29 03:30:14,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/data/1a65c5cb2/d0005946d69948b8869c4681fc6f464b [2021-10-29 03:30:14,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:30:14,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:30:14,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:14,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:30:14,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:30:14,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e01d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14, skipping insertion in model container [2021-10-29 03:30:14,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:30:14,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:30:14,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:14,672 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:30:14,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:14,699 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:30:14,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14 WrapperNode [2021-10-29 03:30:14,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:14,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:14,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:30:14,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:30:14,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:14,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:30:14,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:30:14,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:30:14,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:30:14,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:30:14,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:30:14,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:30:14,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:14" (1/1) ... [2021-10-29 03:30:14,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:14,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:30:14,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:30:14,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:30:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:30:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:30:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:30:14,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:30:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:30:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:30:15,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:30:15,135 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:30:15,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:15 BoogieIcfgContainer [2021-10-29 03:30:15,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:30:15,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:30:15,140 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:30:15,153 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:30:15,153 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:15" (1/1) ... [2021-10-29 03:30:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:30:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-10-29 03:30:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-29 03:30:15,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 03:30:15,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,431 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 03:30:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-29 03:30:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-29 03:30:15,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 03:30:15,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,529 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 03:30:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-10-29 03:30:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-29 03:30:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:30:15,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,686 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 03:30:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-10-29 03:30:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-29 03:30:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:30:15,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,794 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 03:30:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2021-10-29 03:30:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-10-29 03:30:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:30:15,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:15,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:15,968 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 03:30:16,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2021-10-29 03:30:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-10-29 03:30:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:30:16,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:16,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:16,296 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 03:30:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-10-29 03:30:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-10-29 03:30:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:30:16,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:16,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:16,705 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 03:30:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-10-29 03:30:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-10-29 03:30:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:30:16,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:16,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:16,752 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 03:30:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2021-10-29 03:30:16,772 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-10-29 03:30:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:30:16,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:16,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:16,793 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 03:30:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2021-10-29 03:30:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2021-10-29 03:30:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:30:17,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:17,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-10-29 03:30:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-10-29 03:30:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:30:17,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:17,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:17,337 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 03:30:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2021-10-29 03:30:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-29 03:30:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:30:18,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:18,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2021-10-29 03:30:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-10-29 03:30:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:30:18,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:18,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-10-29 03:30:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-29 03:30:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:30:18,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:18,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-10-29 03:30:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-10-29 03:30:18,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:30:18,744 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2021-10-29 03:30:18,751 INFO L759 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2021-10-29 03:30:18,882 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 03:30:18,895 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:30:18,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:30:18 ImpRootNode [2021-10-29 03:30:18,911 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:30:18,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:30:18,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:30:18,912 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:30:18,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:15" (3/4) ... [2021-10-29 03:30:18,917 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:30:18,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 03:30:18,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 03:30:18,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:30:18,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((p < unknown-#StackHeapBarrier-unknown && \valid[p] == 1) && \valid[p := \old(unknown-main_\old_#valid-unknown)[p]] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \old(unknown-main_\old_#valid-unknown)[p] == 0 [2021-10-29 03:30:18,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 03:30:18,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:30:18,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:30:18,976 INFO L168 Benchmark]: Toolchain (without parser) took 4555.84 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 60.2 MB in the beginning and 76.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:18,976 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:30:18,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.32 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 71.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:18,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.55 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:30:18,979 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 ms. Allocated memory is still 94.4 MB. Free memory was 70.3 MB in the beginning and 69.3 MB in the end (delta: 994.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:18,979 INFO L168 Benchmark]: RCFGBuilder took 371.85 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 58.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:18,980 INFO L168 Benchmark]: CodeCheck took 3771.25 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 58.9 MB in the beginning and 79.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:18,981 INFO L168 Benchmark]: Witness Printer took 62.07 ms. Allocated memory is still 121.6 MB. Free memory was 79.7 MB in the beginning and 76.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:18,986 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, 20 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20480 SDtfs, 30312 SDslu, 33120 SDs, 0 SdLazy, 148264 SolverSat, 65584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 564 SyntacticMatches, 26 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 7/7 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: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((p < unknown-#StackHeapBarrier-unknown && \valid[p] == 1) && \valid[p := \old(unknown-main_\old_#valid-unknown)[p]] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \old(unknown-main_\old_#valid-unknown)[p] == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 65.2 MB in the beginning and 65.2 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 272.32 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 71.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.55 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.23 ms. Allocated memory is still 94.4 MB. Free memory was 70.3 MB in the beginning and 69.3 MB in the end (delta: 994.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 371.85 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 58.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 3771.25 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 58.9 MB in the beginning and 79.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 62.07 ms. Allocated memory is still 121.6 MB. Free memory was 79.7 MB in the beginning and 76.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:30:19,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cee12a9-fdab-49a0-b76e-c92d45ecbbf7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...