./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.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_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/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_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/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_68ceeeeb-8208-4019-be2d-e9b6e798f26e/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 f7a7969fc6cc20e98c11cb81158885b6cad7da26c6b558e299f4dcaf9719967a ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:43:31,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:43:31,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:43:31,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:43:31,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:43:31,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:43:31,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:43:31,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:43:31,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:43:31,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:43:31,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:43:31,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:43:31,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:43:31,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:43:31,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:43:31,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:43:31,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:43:31,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:43:31,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:43:31,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:43:31,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:43:31,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:43:31,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:43:31,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:43:31,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:43:31,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:43:31,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:43:31,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:43:31,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:43:31,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:43:31,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:43:31,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:43:31,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:43:31,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:43:31,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:43:31,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:43:31,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:43:31,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:43:31,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:43:31,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:43:31,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:43:31,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:43:31,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:43:31,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:43:31,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:43:31,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:43:31,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:43:31,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:43:31,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:43:31,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:43:31,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:43:31,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:43:31,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:43:31,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:43:31,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:43:31,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:43:31,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:43:31,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:43:31,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:43:31,448 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:43:31,448 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:43:31,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:43:31,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:43:31,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:43:31,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:43:31,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:43:31,449 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:43:31,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:43:31,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:43:31,450 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_68ceeeeb-8208-4019-be2d-e9b6e798f26e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a7969fc6cc20e98c11cb81158885b6cad7da26c6b558e299f4dcaf9719967a [2021-10-29 03:43:31,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:43:31,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:43:31,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:43:31,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:43:31,743 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:43:31,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2021-10-29 03:43:31,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/data/656b1bc74/21377472f925445c97d8b95e82edb4cf/FLAGe6dc34385 [2021-10-29 03:43:32,344 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:43:32,344 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2021-10-29 03:43:32,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/data/656b1bc74/21377472f925445c97d8b95e82edb4cf/FLAGe6dc34385 [2021-10-29 03:43:32,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/data/656b1bc74/21377472f925445c97d8b95e82edb4cf [2021-10-29 03:43:32,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:43:32,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:43:32,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:43:32,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:43:32,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:43:32,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b086d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32, skipping insertion in model container [2021-10-29 03:43:32,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:43:32,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:43:32,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:43:32,890 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:43:32,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:43:32,917 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:43:32,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32 WrapperNode [2021-10-29 03:43:32,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:43:32,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:43:32,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:43:32,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:43:32,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:43:32,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:43:32,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:43:32,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:43:32,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:43:32,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:43:32,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:43:32,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:43:32,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:32" (1/1) ... [2021-10-29 03:43:32,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:43:32,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:43:33,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:43:33,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:43:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure le [2021-10-29 03:43:33,080 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2021-10-29 03:43:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:43:33,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:43:33,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:43:33,235 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 03:43:33,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:43:33 BoogieIcfgContainer [2021-10-29 03:43:33,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:43:33,240 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:43:33,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:43:33,251 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:43:33,252 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:43:33" (1/1) ... [2021-10-29 03:43:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:43:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2021-10-29 03:43:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-10-29 03:43:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:43:33,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:33,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2021-10-29 03:43:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2021-10-29 03:43:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:43:33,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:33,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 28 transitions. [2021-10-29 03:43:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-29 03:43:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:43:33,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:33,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 36 transitions. [2021-10-29 03:43:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-10-29 03:43:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:43:34,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:34,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 40 transitions. [2021-10-29 03:43:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-10-29 03:43:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:43:34,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:34,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 48 transitions. [2021-10-29 03:43:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-29 03:43:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:43:35,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:35,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 20 transitions. [2021-10-29 03:43:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-10-29 03:43:35,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:43:35,409 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 03:43:35,417 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-29 03:43:35,466 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:43:35,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:43:35 ImpRootNode [2021-10-29 03:43:35,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:43:35,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:43:35,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:43:35,470 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:43:35,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:43:33" (3/4) ... [2021-10-29 03:43:35,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:43:35,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2021-10-29 03:43:35,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:43:35,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 03:43:35,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:43:35,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:43:35,521 INFO L168 Benchmark]: Toolchain (without parser) took 2790.09 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 73.6 MB in the beginning and 59.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:35,522 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:43:35,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.96 ms. Allocated memory is still 102.8 MB. Free memory was 73.5 MB in the beginning and 64.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:35,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.49 ms. Allocated memory is still 102.8 MB. Free memory was 64.5 MB in the beginning and 63.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:35,524 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 ms. Allocated memory is still 102.8 MB. Free memory was 63.2 MB in the beginning and 62.4 MB in the end (delta: 788.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:43:35,525 INFO L168 Benchmark]: RCFGBuilder took 273.96 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 53.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:35,526 INFO L168 Benchmark]: CodeCheck took 2228.82 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 61.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:35,526 INFO L168 Benchmark]: Witness Printer took 49.72 ms. Allocated memory is still 123.7 MB. Free memory was 61.2 MB in the beginning and 59.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:35,530 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, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 518 SDslu, 64 SDs, 0 SdLazy, 1900 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 443 SyntacticMatches, 22 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1407 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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: 21]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 185.96 ms. Allocated memory is still 102.8 MB. Free memory was 73.5 MB in the beginning and 64.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.49 ms. Allocated memory is still 102.8 MB. Free memory was 64.5 MB in the beginning and 63.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.99 ms. Allocated memory is still 102.8 MB. Free memory was 63.2 MB in the beginning and 62.4 MB in the end (delta: 788.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 273.96 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 53.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 2228.82 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 61.2 MB in the end (delta: -7.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Witness Printer took 49.72 ms. Allocated memory is still 123.7 MB. Free memory was 61.2 MB in the beginning and 59.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:43:35,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ceeeeb-8208-4019-be2d-e9b6e798f26e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...