./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/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_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ......................................................................................................................................................................................................................................................... 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 04:20:51,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:20:51,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:20:51,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:20:51,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:20:51,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:20:51,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:20:51,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:20:51,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:20:51,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:20:51,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:20:51,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:20:51,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:20:51,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:20:51,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:20:51,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:20:51,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:20:51,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:20:51,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:20:51,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:20:51,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:20:51,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:20:51,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:20:51,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:20:51,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:20:51,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:20:51,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:20:51,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:20:51,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:20:51,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:20:51,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:20:51,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:20:51,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:20:51,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:20:51,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:20:51,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:20:51,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:20:51,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:20:51,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:20:51,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:20:51,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:20:51,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:20:51,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:20:51,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:20:51,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:20:51,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:20:51,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:20:51,995 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:20:51,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:20:51,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:20:52,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:20:52,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:20:52,003 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:20:52,004 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:20:52,004 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:20:52,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:20:52,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:20:52,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:20:52,005 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:20:52,005 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:20:52,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:20:52,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:52,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:20:52,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:20:52,006 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:20:52,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:20:52,006 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_4126f8d7-eda8-4f80-b80e-c67ef269c090/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-29 04:20:52,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:20:52,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:20:52,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:20:52,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:20:52,360 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:20:52,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-29 04:20:52,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/data/56b94fcc8/4c90522076ed4c55b695c4c33969b548/FLAG9c245d3c4 [2021-10-29 04:20:53,038 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:20:53,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-29 04:20:53,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/data/56b94fcc8/4c90522076ed4c55b695c4c33969b548/FLAG9c245d3c4 [2021-10-29 04:20:53,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/data/56b94fcc8/4c90522076ed4c55b695c4c33969b548 [2021-10-29 04:20:53,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:20:53,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:20:53,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:53,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:20:53,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:20:53,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292865a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:53, skipping insertion in model container [2021-10-29 04:20:53,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:53" (1/1) ... [2021-10-29 04:20:53,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:20:53,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:20:53,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:53,889 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:20:53,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:20:54,010 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:20:54,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54 WrapperNode [2021-10-29 04:20:54,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:20:54,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:54,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:20:54,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:20:54,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:20:54,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:20:54,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:20:54,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:20:54,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:20:54,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:20:54,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:20:54,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:20:54,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:20:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:20:54,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:20:54,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:20:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:20:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:20:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:20:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:20:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:20:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:20:54,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:20:54,640 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 04:20:54,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:54 BoogieIcfgContainer [2021-10-29 04:20:54,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:20:54,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:20:54,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:20:54,659 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:20:54,660 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:54" (1/1) ... [2021-10-29 04:20:54,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:20:54,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-29 04:20:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-29 04:20:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:20:54,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:54,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:54,985 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 04:20:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-10-29 04:20:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-10-29 04:20:55,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:20:55,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:55,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:55,066 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 04:20:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-29 04:20:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-29 04:20:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:20:55,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:55,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:55,229 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 04:20:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-29 04:20:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-29 04:20:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:20:55,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:55,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:55,535 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 04:20:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 04:20:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 04:20:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:20:55,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:20:55,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:20:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:20:56,081 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 04:20:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:20:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-29 04:20:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-29 04:20:56,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:20:56,783 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-29 04:20:56,789 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 04:20:56,837 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:20:56,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:20:56 ImpRootNode [2021-10-29 04:20:56,842 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:20:56,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:20:56,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:20:56,847 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:20:56,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:54" (3/4) ... [2021-10-29 04:20:56,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:20:56,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:20:56,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:20:56,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:20:56,934 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:20:56,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:20:56,937 INFO L168 Benchmark]: Toolchain (without parser) took 3638.99 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.6 MB in the beginning and 47.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:56,938 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:56,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.85 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 72.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:56,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.81 ms. Allocated memory is still 107.0 MB. Free memory was 72.1 MB in the beginning and 70.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:56,940 INFO L168 Benchmark]: Boogie Preprocessor took 57.94 ms. Allocated memory is still 107.0 MB. Free memory was 70.0 MB in the beginning and 69.1 MB in the end (delta: 897.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:20:56,940 INFO L168 Benchmark]: RCFGBuilder took 492.27 ms. Allocated memory is still 107.0 MB. Free memory was 68.7 MB in the beginning and 56.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:56,941 INFO L168 Benchmark]: CodeCheck took 2198.54 ms. Allocated memory is still 107.0 MB. Free memory was 56.2 MB in the beginning and 50.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:56,945 INFO L168 Benchmark]: Witness Printer took 90.80 ms. Allocated memory is still 107.0 MB. Free memory was 50.1 MB in the beginning and 47.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:20:56,948 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 114 SDslu, 0 SDs, 0 SdLazy, 524 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 764]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 712.85 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 72.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.81 ms. Allocated memory is still 107.0 MB. Free memory was 72.1 MB in the beginning and 70.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.94 ms. Allocated memory is still 107.0 MB. Free memory was 70.0 MB in the beginning and 69.1 MB in the end (delta: 897.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 492.27 ms. Allocated memory is still 107.0 MB. Free memory was 68.7 MB in the beginning and 56.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 2198.54 ms. Allocated memory is still 107.0 MB. Free memory was 56.2 MB in the beginning and 50.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Witness Printer took 90.80 ms. Allocated memory is still 107.0 MB. Free memory was 50.1 MB in the beginning and 47.3 MB in the end (delta: 2.8 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 04:20:56,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4126f8d7-eda8-4f80-b80e-c67ef269c090/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...