./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/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_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f94b058015be4fc42a3d40d63b8ed2b8d3be3933ae3f7b0cb4e17bd99a68e898 ....................................................................................................................................................................................................................................................... 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 04:09:01,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:09:01,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:09:01,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:09:01,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:09:01,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:09:01,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:09:01,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:09:01,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:09:01,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:09:01,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:09:01,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:09:01,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:09:01,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:09:01,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:09:01,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:09:01,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:09:01,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:09:01,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:09:01,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:09:01,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:09:01,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:09:01,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:09:01,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:09:01,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:09:01,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:09:01,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:09:01,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:09:01,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:09:01,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:09:01,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:09:01,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:09:01,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:09:01,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:09:01,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:09:01,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:09:01,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:09:01,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:09:01,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:09:01,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:09:01,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:09:01,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 04:09:01,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:09:01,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:09:01,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:09:01,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:09:01,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:09:01,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:09:01,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:09:01,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:09:01,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:09:01,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:09:01,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:09:01,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:09:01,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:09:01,893 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:09:01,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:09:01,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:09:01,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:09:01,894 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:09:01,894 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:09:01,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:09:01,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:09:01,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:09:01,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:09:01,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:09:01,896 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:09:01,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:09:01,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:09:01,897 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_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f94b058015be4fc42a3d40d63b8ed2b8d3be3933ae3f7b0cb4e17bd99a68e898 [2021-10-29 04:09:02,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:09:02,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:09:02,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:09:02,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:09:02,186 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:09:02,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/cstrcmp.c [2021-10-29 04:09:02,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/data/51cf007da/2b8c435012be4ee1b12984881496b7cb/FLAG2fd84ca52 [2021-10-29 04:09:02,891 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:09:02,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/sv-benchmarks/c/termination-crafted-lit/cstrcmp.c [2021-10-29 04:09:02,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/data/51cf007da/2b8c435012be4ee1b12984881496b7cb/FLAG2fd84ca52 [2021-10-29 04:09:03,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/data/51cf007da/2b8c435012be4ee1b12984881496b7cb [2021-10-29 04:09:03,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:09:03,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:09:03,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:09:03,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:09:03,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:09:03,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03, skipping insertion in model container [2021-10-29 04:09:03,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:09:03,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:09:03,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:09:03,514 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:09:03,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:09:03,546 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:09:03,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03 WrapperNode [2021-10-29 04:09:03,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:09:03,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:09:03,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:09:03,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:09:03,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:09:03,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:09:03,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:09:03,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:09:03,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:09:03,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:09:03,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:09:03,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:09:03,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:03" (1/1) ... [2021-10-29 04:09:03,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:09:03,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:09:03,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:09:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:09:03,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:09:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-10-29 04:09:03,713 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-10-29 04:09:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:09:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:09:03,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:09:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:09:04,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:09:04,038 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:09:04,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:04 BoogieIcfgContainer [2021-10-29 04:09:04,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:09:04,042 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:09:04,042 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:09:04,052 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:09:04,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:04" (1/1) ... [2021-10-29 04:09:04,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:09:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-10-29 04:09:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-10-29 04:09:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:09:04,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:04,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:04,280 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 04:09:04,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-10-29 04:09:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-29 04:09:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:09:04,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:04,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:04,337 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 04:09:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-10-29 04:09:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-29 04:09:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:09:04,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:04,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:04,461 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 04:09:04,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-10-29 04:09:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-29 04:09:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:09:04,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:04,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:04,574 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 04:09:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:09:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:09:04,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:09:04,707 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 04:09:04,713 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 04:09:04,762 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:09:04,767 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:09:04,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:09:04 ImpRootNode [2021-10-29 04:09:04,767 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:09:04,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:09:04,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:09:04,769 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:09:04,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:04" (3/4) ... [2021-10-29 04:09:04,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:09:04,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2021-10-29 04:09:04,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-29 04:09:04,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:09:04,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:09:04,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:09:04,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:09:04,854 INFO L168 Benchmark]: Toolchain (without parser) took 1591.26 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 74.6 MB in the beginning and 80.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,855 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:04,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.53 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 74.6 MB in the beginning and 121.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 119.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,857 INFO L168 Benchmark]: Boogie Preprocessor took 34.07 ms. Allocated memory is still 146.8 MB. Free memory was 119.8 MB in the beginning and 118.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,857 INFO L168 Benchmark]: RCFGBuilder took 412.03 ms. Allocated memory is still 146.8 MB. Free memory was 118.4 MB in the beginning and 105.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,858 INFO L168 Benchmark]: CodeCheck took 726.11 ms. Allocated memory is still 146.8 MB. Free memory was 104.6 MB in the beginning and 83.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,858 INFO L168 Benchmark]: Witness Printer took 84.05 ms. Allocated memory is still 146.8 MB. Free memory was 83.4 MB in the beginning and 80.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:04,861 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 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 60 SDslu, 0 SDs, 0 SdLazy, 180 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.53 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 74.6 MB in the beginning and 121.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.44 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 119.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.07 ms. Allocated memory is still 146.8 MB. Free memory was 119.8 MB in the beginning and 118.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 412.03 ms. Allocated memory is still 146.8 MB. Free memory was 118.4 MB in the beginning and 105.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 726.11 ms. Allocated memory is still 146.8 MB. Free memory was 104.6 MB in the beginning and 83.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 84.05 ms. Allocated memory is still 146.8 MB. Free memory was 83.4 MB in the beginning and 80.1 MB in the end (delta: 3.3 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 04:09:04,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff6f7ef1-a5fc-4409-9a18-efafb39b7a49/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...