./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark32_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark32_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY --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 32bit --witnessprinter.graph.data.programhash dc7d4fbde8e1061392d08b8964f938b12b465336 ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 05:02:57,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:02:57,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:02:57,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:02:57,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:02:57,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:02:57,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:02:57,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:02:57,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:02:57,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:02:57,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:02:57,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:02:57,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:02:57,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:02:57,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:02:57,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:02:57,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:02:57,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:02:57,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:02:58,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:02:58,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:02:58,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:02:58,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:02:58,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:02:58,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:02:58,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:02:58,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:02:58,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:02:58,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:02:58,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:02:58,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:02:58,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:02:58,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:02:58,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:02:58,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:02:58,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:02:58,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:02:58,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:02:58,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:02:58,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:02:58,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:02:58,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 05:02:58,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:02:58,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:02:58,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 05:02:58,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 05:02:58,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:02:58,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:02:58,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:02:58,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 05:02:58,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 05:02:58,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:02:58,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 05:02:58,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:02:58,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 05:02:58,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:02:58,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 05:02:58,089 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 05:02:58,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 05:02:58,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 05:02:58,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:02:58,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 05:02:58,091 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:02:58,091 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:02:58,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:02:58,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:02:58,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:02:58,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:02:58,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 05:02:58,092 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:02:58,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:02:58,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 05:02:58,094 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_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc7d4fbde8e1061392d08b8964f938b12b465336 [2021-10-13 05:02:58,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:02:58,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:02:58,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:02:58,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:02:58,446 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:02:58,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2021-10-13 05:02:58,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/data/e202410e0/753cdab240f94633b742d3f0709f7762/FLAGb72fb49ad [2021-10-13 05:02:59,054 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:02:59,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2021-10-13 05:02:59,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/data/e202410e0/753cdab240f94633b742d3f0709f7762/FLAGb72fb49ad [2021-10-13 05:02:59,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/data/e202410e0/753cdab240f94633b742d3f0709f7762 [2021-10-13 05:02:59,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:02:59,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:02:59,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:02:59,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:02:59,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:02:59,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dd65e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59, skipping insertion in model container [2021-10-13 05:02:59,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:02:59,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:02:59,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/sv-benchmarks/c/loop-zilu/benchmark32_linear.i[868,881] [2021-10-13 05:02:59,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:02:59,672 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:02:59,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/sv-benchmarks/c/loop-zilu/benchmark32_linear.i[868,881] [2021-10-13 05:02:59,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:02:59,701 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:02:59,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59 WrapperNode [2021-10-13 05:02:59,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:02:59,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:02:59,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:02:59,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:02:59,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:02:59,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:02:59,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:02:59,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:02:59,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:02:59,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:02:59,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:02:59,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:02:59,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:59" (1/1) ... [2021-10-13 05:02:59,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:02:59,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:02:59,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:02:59,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:02:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 05:02:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 05:02:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:02:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:03:00,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:03:00,122 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 05:03:00,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:00 BoogieIcfgContainer [2021-10-13 05:03:00,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:03:00,125 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:03:00,125 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:03:00,136 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:03:00,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:00" (1/1) ... [2021-10-13 05:03:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:03:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:03:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2021-10-13 05:03:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2021-10-13 05:03:00,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 05:03:00,198 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-10-13 05:03:00,204 INFO L759 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-10-13 05:03:00,215 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 05:03:00,219 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 05:03:00,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:03:00 ImpRootNode [2021-10-13 05:03:00,220 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:03:00,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:03:00,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:03:00,221 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:03:00,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:00" (3/4) ... [2021-10-13 05:03:00,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 05:03:00,234 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 05:03:00,234 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 05:03:00,234 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 05:03:00,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 05:03:00,291 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:03:00,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:03:00,293 INFO L168 Benchmark]: Toolchain (without parser) took 843.04 ms. Allocated memory is still 98.6 MB. Free memory was 58.2 MB in the beginning and 54.9 MB in the end (delta: 3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:03:00,294 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:03:00,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.75 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 74.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:00,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:00,297 INFO L168 Benchmark]: Boogie Preprocessor took 30.16 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 72.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:03:00,298 INFO L168 Benchmark]: RCFGBuilder took 357.36 ms. Allocated memory is still 98.6 MB. Free memory was 72.3 MB in the beginning and 61.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:00,315 INFO L168 Benchmark]: CodeCheck took 94.70 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 57.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:00,316 INFO L168 Benchmark]: Witness Printer took 70.85 ms. Allocated memory is still 98.6 MB. Free memory was 57.2 MB in the beginning and 54.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:00,321 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, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 43.6ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms 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, 0.0ms 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: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.75 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 74.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.16 ms. Allocated memory is still 98.6 MB. Free memory was 73.3 MB in the beginning and 72.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 357.36 ms. Allocated memory is still 98.6 MB. Free memory was 72.3 MB in the beginning and 61.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 94.70 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 57.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 70.85 ms. Allocated memory is still 98.6 MB. Free memory was 57.2 MB in the beginning and 54.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 05:03:00,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ff7dd0-3902-489b-9ca3-3f054f3bf643/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...