./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4 --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 cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:45:13,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:45:13,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:45:13,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:45:13,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:45:13,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:45:13,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:45:13,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:45:13,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:45:13,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:45:13,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:45:13,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:45:13,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:45:13,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:45:13,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:45:13,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:45:13,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:45:13,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:45:13,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:45:13,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:45:13,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:45:13,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:45:13,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:45:13,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:45:13,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:45:13,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:45:13,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:45:13,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:45:13,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:45:13,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:45:13,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:45:13,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:45:13,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:45:13,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:45:13,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:45:13,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:45:13,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:45:13,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:45:13,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:45:13,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:45:13,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:45:13,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 21:45:13,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:45:13,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:45:13,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:45:13,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:45:13,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:45:13,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:45:13,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:45:13,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:45:13,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:45:13,791 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:45:13,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 21:45:13,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:45:13,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:45:13,791 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:45:13,791 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:45:13,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:45:13,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:45:13,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:45:13,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:45:13,792 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:45:13,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:45:13,792 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_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf36d0c9351c4c2fb1711d3f7c837e0253db9403415afa1c4469ec7ba9a72414 [2022-12-14 21:45:13,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:45:14,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:45:14,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:45:14,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:45:14,010 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:45:14,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2022-12-14 21:45:16,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:45:16,694 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:45:16,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca.i [2022-12-14 21:45:16,700 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/data/c9ede5629/f38a87a5723d4f24927242bc5309ccc9/FLAG70f3f1a11 [2022-12-14 21:45:17,087 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/data/c9ede5629/f38a87a5723d4f24927242bc5309ccc9 [2022-12-14 21:45:17,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:45:17,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:45:17,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:45:17,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:45:17,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:45:17,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131c3ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17, skipping insertion in model container [2022-12-14 21:45:17,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:45:17,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:45:17,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:45:17,371 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:45:17,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:45:17,412 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:45:17,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17 WrapperNode [2022-12-14 21:45:17,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:45:17,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:45:17,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:45:17,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:45:17,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,440 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-14 21:45:17,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:45:17,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:45:17,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:45:17,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:45:17,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,456 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:45:17,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:45:17,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:45:17,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:45:17,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:45:17,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:45:17,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:45:17,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:45:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:45:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:45:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:45:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:45:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:45:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:45:17,577 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:45:17,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:45:17,706 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:45:17,745 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:45:17,745 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:45:17,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:45:17 BoogieIcfgContainer [2022-12-14 21:45:17,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:45:17,747 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:45:17,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:45:17,755 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:45:17,755 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:45:17" (1/1) ... [2022-12-14 21:45:17,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:45:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:17,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 21:45:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 21:45:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:45:17,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-14 21:45:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-14 21:45:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:45:17,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:17,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 21:45:18,138 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 21:45:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:45:18,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:18,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-14 21:45:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 21:45:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:45:18,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:18,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-14 21:45:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-14 21:45:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:45:18,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 21:45:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 21:45:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:45:19,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:19,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-14 21:45:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 21:45:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:45:20,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2022-12-14 21:45:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-14 21:45:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:45:21,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:21,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-12-14 21:45:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-14 21:45:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:45:23,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:23,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:45:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-14 21:45:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 21:45:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:45:24,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:24,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:27,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:27,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-12-14 21:45:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-12-14 21:45:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:45:27,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:27,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-12-14 21:45:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-12-14 21:45:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:45:28,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2022-12-14 21:45:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-12-14 21:45:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:45:32,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:32,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2022-12-14 21:45:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2022-12-14 21:45:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:45:40,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:40,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:45:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-12-14 21:45:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-12-14 21:45:44,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:45:44,921 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2022-12-14 21:45:44,929 INFO L754 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2022-12-14 21:45:45,049 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 21:45:45,058 INFO L560 CodeCheckObserver]: Invariant with dag size 39 [2022-12-14 21:45:45,061 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-14 21:45:45,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:45:45 ImpRootNode [2022-12-14 21:45:45,062 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:45:45,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:45:45,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:45:45,063 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:45:45,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:45:17" (3/4) ... [2022-12-14 21:45:45,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:45:45,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-14 21:45:45,075 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 21:45:45,075 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 21:45:45,075 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:45:45,094 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 21:45:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(src == dst) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && 0 == unknown-#memory_int-unknown[src][0]) && \valid[dst] == 1) && src <= dst) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && src + 1 <= unknown-#length-unknown[src]) && \valid[src] == 1) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0) && 0 <= src) && dst + 1 <= unknown-#length-unknown[dst] [2022-12-14 21:45:45,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char))) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0 [2022-12-14 21:45:45,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:45:45,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:45:45,108 INFO L158 Benchmark]: Toolchain (without parser) took 28015.67ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 96.5MB in the beginning and 106.1MB in the end (delta: -9.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-14 21:45:45,108 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 104.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:45:45,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.68ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 78.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 21:45:45,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.64ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:45:45,109 INFO L158 Benchmark]: Boogie Preprocessor took 16.57ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:45:45,109 INFO L158 Benchmark]: RCFGBuilder took 288.70ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 61.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:45:45,110 INFO L158 Benchmark]: CodeCheck took 27314.74ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 61.3MB in the beginning and 109.2MB in the end (delta: -47.9MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2022-12-14 21:45:45,110 INFO L158 Benchmark]: Witness Printer took 44.31ms. Allocated memory is still 159.4MB. Free memory was 109.2MB in the beginning and 106.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:45:45,112 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, 17 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 27.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 241 mSDsluCounter, 296 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 546 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1775 IncrementalHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 546 mSolverCounterUnsat, 42 mSDtfsCounter, 1775 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1102 GetRequests, 817 SyntacticMatches, 19 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26571 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 1057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 4/36 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 372]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((((((((((!(src == dst) && !(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char)))) && 0 == unknown-#memory_int-unknown[src][0]) && \valid[dst] == 1) && src <= dst) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && src + 1 <= unknown-#length-unknown[src]) && \valid[src] == 1) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0) && 0 <= src) && dst + 1 <= unknown-#length-unknown[dst] - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((!(__builtin_alloca(length1 * sizeof(char)) == __builtin_alloca(length2 * sizeof(char))) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))] == 0) && \valid[__builtin_alloca(length1 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))]][__builtin_alloca(length2 * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length2 * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length1 * sizeof(char))] == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 104.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.68ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 78.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.64ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.57ms. Allocated memory is still 132.1MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.70ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 61.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 27314.74ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 61.3MB in the beginning and 109.2MB in the end (delta: -47.9MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Witness Printer took 44.31ms. Allocated memory is still 159.4MB. Free memory was 109.2MB in the beginning and 106.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:45:45,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12750f7-9ffe-4048-9343-b6589f6bf33b/bin/ukojak-rkRKPMF4O4/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