./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e --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 c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:16,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:16,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:16,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:16,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:16,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:16,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:16,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:16,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:16,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:16,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:16,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:16,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:16,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:16,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:16,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:16,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:16,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:16,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:16,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:16,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:16,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:16,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:16,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:16,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:16,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:16,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:16,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:16,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:16,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:16,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:16,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:16,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:16,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:16,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:16,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:16,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:16,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:16,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:16,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:16,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:16,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 21:58:16,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:16,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:16,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:16,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:16,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:16,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:16,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:16,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:58:16,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:16,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:16,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:16,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:16,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:16,576 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:58:16,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:16,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:16,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:16,577 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:16,577 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:16,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:16,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:16,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:16,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:16,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:16,579 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:16,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:16,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:16,579 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_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c06467573d5b161d2e6fae8b3debbeebc37f400272e6a21d533eff435db2aec4 [2021-11-13 21:58:16,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:16,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:16,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:16,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:16,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:16,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-13 21:58:16,945 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/data/c4e37d324/9e4c0c6758754b7c87546d08abd27820/FLAG1a6cbb096 [2021-11-13 21:58:17,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:17,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-11-13 21:58:17,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/data/c4e37d324/9e4c0c6758754b7c87546d08abd27820/FLAG1a6cbb096 [2021-11-13 21:58:17,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/data/c4e37d324/9e4c0c6758754b7c87546d08abd27820 [2021-11-13 21:58:17,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:17,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:17,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:17,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:17,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:17,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:17" (1/1) ... [2021-11-13 21:58:17,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7924d15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:17, skipping insertion in model container [2021-11-13 21:58:17,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:17" (1/1) ... [2021-11-13 21:58:17,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:17,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:18,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:18,088 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:18,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:18,121 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:18,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18 WrapperNode [2021-11-13 21:58:18,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:18,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:18,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:18,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:18,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:18,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:18,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:18,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:18,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:18,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:18,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:18,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:18,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:18,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:18,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:18,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:18,513 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 21:58:18,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:18 BoogieIcfgContainer [2021-11-13 21:58:18,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:18,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:18,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:18,530 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:18,530 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:18" (1/1) ... [2021-11-13 21:58:18,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-11-13 21:58:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 3 transitions. [2021-11-13 21:58:18,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 21:58:18,624 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-13 21:58:18,634 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-13 21:58:18,646 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 21:58:18,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:58:18 ImpRootNode [2021-11-13 21:58:18,651 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 21:58:18,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 21:58:18,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 21:58:18,653 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 21:58:18,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:18" (3/4) ... [2021-11-13 21:58:18,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 21:58:18,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-13 21:58:18,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 21:58:18,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 21:58:18,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 21:58:18,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 21:58:18,725 INFO L158 Benchmark]: Toolchain (without parser) took 858.25ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 69.3MB in the beginning and 100.7MB in the end (delta: -31.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-13 21:58:18,726 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:58:18,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.35ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 69.0MB in the beginning and 118.7MB in the end (delta: -49.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 21:58:18,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.29ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 117.9MB in the end (delta: 788.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:58:18,728 INFO L158 Benchmark]: Boogie Preprocessor took 19.72ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 116.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:58:18,728 INFO L158 Benchmark]: RCFGBuilder took 325.04ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 107.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 21:58:18,729 INFO L158 Benchmark]: CodeCheck took 133.27ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 102.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 21:58:18,729 INFO L158 Benchmark]: Witness Printer took 65.92ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:58:18,738 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, 3 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.35ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 69.0MB in the beginning and 118.7MB in the end (delta: -49.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.29ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 117.9MB in the end (delta: 788.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.72ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 116.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.04ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 107.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 133.27ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 102.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 65.92ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 21:58:18,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ebf6c4-2298-47b6-93aa-9b04dcda5646/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE